diff --git a/bin/v-php-func b/bin/v-php-func
index f6192c33..f7a73385 100644
--- a/bin/v-php-func
+++ b/bin/v-php-func
@@ -8,5 +8,14 @@
 #                       Action                             #
 #----------------------------------------------------------#
 
+
+if [ -p /dev/stdin ]; then
+    STDIN=$(cat -)
+    if [ ! -z "$STDIN" ]; then
+        echo "$STDIN" | php /usr/local/vesta/func/bash-to-php-interpreter.php "$@"
+        exit $?
+    fi
+fi
+
 php /usr/local/vesta/func/bash-to-php-interpreter.php "$@"
 exit $?
diff --git a/func/bash-to-php-interpreter.php b/func/bash-to-php-interpreter.php
index 13995e1c..e780d41c 100644
--- a/func/bash-to-php-interpreter.php
+++ b/func/bash-to-php-interpreter.php
@@ -7,6 +7,14 @@ else $SHLVL=3;
 
 if (!isset($argv)) exit(5);
 
+stream_set_blocking(STDIN, false);
+$myvesta_stdin='';
+$myvesta_f = fopen( 'php://stdin', 'r' );
+while( $myvesta_line = fgets( $myvesta_f ) ) {
+  $myvesta_stdin .= $myvesta_line;
+}
+fclose( $myvesta_f );
+
 include ("/usr/local/vesta/func/main.php");
 include ("/usr/local/vesta/func/string.php");
 
diff --git a/func/main.php b/func/main.php
index fcc96610..03a501a1 100644
--- a/func/main.php
+++ b/func/main.php
@@ -71,7 +71,9 @@ function myvesta_fix_args() {
 }
 
 function myvesta_test_func () {
+    global $myvesta_stdin;
     $args=func_get_args();
+    if ($myvesta_stdin!='') array_splice( $args, 0, 0, array($myvesta_stdin) );
     myvesta_echo ("You said: ");
     myvesta_echo (trim(print_r ($args, true)));
 }
diff --git a/func/string.php b/func/string.php
index 2b6a63d9..a38e068e 100644
--- a/func/string.php
+++ b/func/string.php
@@ -70,8 +70,23 @@ function myvesta_strip_in_file_between_including_borders($file, $left, $right) {
 
 // --- string functions ---
 
-function myvesta_str_get_between (&$text, $left_substring, $right_substring, $start=0, $return_left_substring=0, $return_right_substring=0, $left_substring_necessary=1, $right_substring_necessary=1) {
-    global $myvesta_str_found_at, $myvesta_str_end_at;
+function myvesta_str_get_between () {
+    global $myvesta_stdin, $myvesta_str_found_at, $myvesta_str_end_at;
+    $args=func_get_args();
+    $args_i=-1;
+    if ($myvesta_stdin!='') {
+        $text=$myvesta_stdin;
+    } else {
+        $args_i++; $text=$args[$args_i];
+    }
+    $args_i++; $left_substring=$args[$args_i];
+    $args_i++; $right_substring=$args[$args_i]; 
+    $args_i++; $start=0; if (!empty($args[$args_i])) $start=intval($args[$args_i]);
+    $args_i++; $return_left_substring=0; if (!empty($args[$args_i])) $return_left_substring=intval($args[$args_i]);
+    $args_i++; $return_right_substring=0; if (!empty($args[$args_i])) $return_right_substring=intval($args[$args_i]);
+    $args_i++; $left_substring_necessary=1; if (!empty($args[$args_i])) $left_substring_necessary=intval($args[$args_i]);
+    $args_i++; $right_substring_necessary=1; if (!empty($args[$args_i])) $right_substring_necessary=intval($args[$args_i]);
+
     $myvesta_str_found_at=0;
     $myvesta_str_end_at=0;
     $from_null=0;
@@ -105,7 +120,19 @@ function myvesta_str_get_between (&$text, $left_substring, $right_substring, $st
     return substr($text, $pos1, $len);
 }
 
-function myvesta_str_replace_once_between_including_borders(&$text, $left, $right, $replace_with) {
+function myvesta_str_replace_once_between_including_borders() {
+    global $myvesta_stdin;
+    $args=func_get_args();
+    $args_i=-1;
+    if ($myvesta_stdin!='') {
+        $text=$myvesta_stdin;
+    } else {
+        $args_i++; $text=$args[$args_i];
+    }
+    $args_i++; $left=$args[$args_i];
+    $args_i++; $right=$args[$args_i];
+    $args_i++; $replace_with=$args[$args_i];
+
     $pos1=strpos($text, $left);
     if ($pos1===false) return $text;
     $pos2=strpos($text, $right, $pos1+strlen($left));
@@ -113,7 +140,18 @@ function myvesta_str_replace_once_between_including_borders(&$text, $left, $righ
     return substr($text, 0, $pos1).$replace_with.substr($text, $pos2+strlen($right));
 }
 
-function myvesta_str_strip_once_between_including_borders(&$text, $left, $right) {
+function myvesta_str_strip_once_between_including_borders() {
+    global $myvesta_stdin;
+    $args=func_get_args();
+    $args_i=-1;
+    if ($myvesta_stdin!='') {
+        $text=$myvesta_stdin;
+    } else {
+        $args_i++; $text=$args[$args_i];
+    }
+    $args_i++; $left=$args[$args_i];
+    $args_i++; $right=$args[$args_i];
+
     $pos1=strpos($text, $left);
     if ($pos1===false) return $text;
     $pos2=strpos($text, $right, $pos1+strlen($left));
@@ -121,7 +159,19 @@ function myvesta_str_strip_once_between_including_borders(&$text, $left, $right)
     return substr($text, 0, $pos1).substr($text, $pos2+strlen($right));
 }
 
-function myvesta_str_replace_between_including_borders($text, $left, $right, $replace_with) {
+function myvesta_str_replace_between_including_borders() {
+    global $myvesta_stdin;
+    $args=func_get_args();
+    $args_i=-1;
+    if ($myvesta_stdin!='') {
+        $text=$myvesta_stdin;
+    } else {
+        $args_i++; $text=$args[$args_i];
+    }
+    $args_i++; $left=$args[$args_i];
+    $args_i++; $right=$args[$args_i];
+    $args_i++; $replace_with=$args[$args_i];
+
     $start=0;
     $left_len=strlen($left);
     $right_len=strlen($right);
@@ -135,7 +185,18 @@ function myvesta_str_replace_between_including_borders($text, $left, $right, $re
     return $text;
 }
 
-function myvesta_str_strip_between_including_borders($text, $left, $right) {
+function myvesta_str_strip_between_including_borders() {
+    global $myvesta_stdin;
+    $args=func_get_args();
+    $args_i=-1;
+    if ($myvesta_stdin!='') {
+        $text=$myvesta_stdin;
+    } else {
+        $args_i++; $text=$args[$args_i];
+    }
+    $args_i++; $left=$args[$args_i];
+    $args_i++; $right=$args[$args_i];
+
     $left_len=strlen($left);
     $right_len=strlen($right);
     while (true) {
@@ -147,3 +208,43 @@ function myvesta_str_strip_between_including_borders($text, $left, $right) {
     }
     return $text;
 }
+
+function myvesta_str_find() {
+    global $myvesta_stdin;
+    $args=func_get_args();
+    $args_i=-1;
+    if ($myvesta_stdin!='') {
+        $text=$myvesta_stdin;
+    } else {
+        $args_i++; $text=$args[$args_i];
+    }
+    $args_i++; $find=$args[$args_i];
+
+    $pos=strpos($text, $find);
+    if ($pos===false) return myvesta_throw_error (MYVESTA_ERROR_STRING_NOT_FOUND, "");
+    return $pos;
+}
+
+function myvesta_str_uppercase() {
+    global $myvesta_stdin;
+    $args=func_get_args();
+    $args_i=-1;
+    if ($myvesta_stdin!='') {
+        $text=$myvesta_stdin;
+    } else {
+        $args_i++; $text=$args[$args_i];
+    }
+    return strtoupper($text);
+}
+
+function myvesta_str_lowercase() {
+    global $myvesta_stdin;
+    $args=func_get_args();
+    $args_i=-1;
+    if ($myvesta_stdin!='') {
+        $text=$myvesta_stdin;
+    } else {
+        $args_i++; $text=$args[$args_i];
+    }
+    return strtolower($text);
+}