php find string in string



this is a function i wrote to find all occurrences of a string, using strpos recursively. <?php function strpos_recursive($haystack, $needle, $offset = , &$results = array()) { $offset = strpos($haystack, $needle, $offset); if($offset === false) { return $results; } else { $results[] = $offset; return strpos_recursive($haystack, $needle, 

php find string in string

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php find string in string

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you can use the strpos() function which is used to find the occurrence of one string inside another one: $a = 'how are you?'; if (strpos($a, 'are') !== false) { echo 'true'; }. note that the use of !== false is deliberate; strpos() returns either the offset at which the needle string begins in the haystack string, or the boolean false if the  do mean to check if $a is a nonempty string? so that it contains just any text? then the following will work. if $a contains a string, you can use the following: if (!empty($a)) { means: if not empty } if you also need to confirm that $a is actually a string, use: if (is_string($a) && !empty($a)) { means: if $a is a string and not 

php find string in string

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parameter, description. string, required. specifies the string to search. find, required. specifies the string to find. start, optional. specifies where to begin the search  php functions that search a string for a substring. search from left or right, case sensitive or insensitive. return position of found string or part of original.

php find string in string

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php find string in string

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mai this tutorial will help you to check if a string contains any substring in php programming language. for example, you want to run a specific line of code only if any input string contains another substring in it. example : the following code will evaluate to true because the string $str contains the  if you try executing that, you will find that it outputs "not found", despite "this" quite clearly being in $string. is it another case sensitivity problem? not quite. this time the problem lies in the fact that "this" is the first thing in $string, which means that strpos() will return . however, php considers to be the same value as false 

php find string in string

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the explode function splits a string by a given delimiter and returns an array with all the substrings between the delimiters <?php $str="toyota,bmw,honda,mercedes,bugatti,lamborghini,acura,porsche"; $exploded=explode(",",$str,); limit is negative, so it will find all the substrings print_r($exploded) print the array to  check if a string contains specific words in php. david bainbridge. this code snippet shows you how to check if a string contains a specific word in php, or if a string contains a match from an array of word options.

php find string in string

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php find string exist in a string by using php inbuilt functions like strpos, strstr, perg_match, substr_count and explode array function.

php find string in string

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php find string in string

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php find string in string

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