php contains substring

1$myString = 'Hello Bob how are you?';
2if (strpos($myString, 'Bob') !== false) {
3    echo "My string contains Bob";
4}

1$string = 'The lazy fox jumped over the fence';
2
3if (str_contains($string, 'lazy')) {
4    echo "The string 'lazy' was found in the string\n";
5}
6
7

1$a = 'How are you?';
2
3if (strpos($a, 'are') !== false) {
4    echo 'true';
5}

1
2<?php
3$mystring = 'abc';
4$findme   = 'a';
5$pos = strpos($mystring, $findme);
6
7// Note our use of ===.  Simply == would not work as expected
8// because the position of 'a' was the 0th (first) character.
9if ($pos === false) {
10    echo "The string '$findme' was not found in the string '$mystring'";
11} else {
12    echo "The string '$findme' was found in the string '$mystring'";
13    echo " and exists at position $pos";
14}
15?>
16
17

1<?php
2function g($string,$start,$end){
3     preg_match_all('/' . preg_quote($start, '/') . '(.*?)'. preg_quote($end, '/').'/i', $string, $m);
4     $out = array();
5
6     foreach($m[1] as $key => $value){
7       $type = explode('::',$value);
8       if(sizeof($type)>1){
9          if(!is_array($out[$type[0]]))
10             $out[$type[0]] = array();
11          $out[$type[0]][] = $type[1];
12       } else {
13          $out[] = $value;
14       }
15     }
16  return $out;
17}
18print_r(g('Sample text, [/text to extract/] Rest of sample text [/WEB::http://google.com/] bla bla bla. ','[/','/]'));
19?>
20
21results:
22Array
23(
24    [0] => text to extract
25    [WEB] => Array
26        (
27            [0] => http://google.com
28        )
29
30)
31
32Can be helpfull to custom parsing :)
33