php array contains value



it impossible to receive false as a return value from in_array using loose checking if your arrays contains both the constants true and false. you might understandably trip over this (or the inverse passing boolean true to check against an array of e.g. nonempty strings), but it's certainly not counter intuitive and makes perfect  example. search for the value "glenn" in an array and output some text: <?php $people = array("peter", "joe", "glenn", "cleveland"); if (in_array("glenn", $people)) { echo "match found"; } else { echo "match not found"; } ?> run example »  using if ? if(isset($something['say']) && $something['say'] == 'bla') { do something }. btw, you are assigning an value with the key say twice, hence your array will result in an array with only one value.

php array contains value

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php array contains value

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you are not using the function in_array ( php.net/manual/en/function.inarray.php) correctly: bool in_array ( mixed $needle , array $haystack [, bool $strict = false ] ). the $needle has to have a value in the array, so you first need to extract the url from the string (with a regular expression for example). look at array_intersect(). $containssearch = count(array_intersect($search_this, $all)) == count($search_this);. use php array as a key & value map. # php array contains elements of key/value pair $a = array('text' => 'string', => , 'absent' => true); echo $a['text']; # 'string' echo $a[]; # echo $a['absent']; # echo "$a[text]"; # if the variable is inside double quote "", text does not need to be quoted. accessing php array using 

php array contains value

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php array contains value

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if the intent of your condition is to check that the array contains elements, default value variable, null vs empty string vs false. <?php function statement foreach (array_expression as $key => $value) to it for use with array_map my solution to foreach for php and to ) check if the value i need to check to see if an array  php isset() vs array_key_exists() : a better way to determine array element's existence according to the php's manual: isset() — determine if a variable is set and is not null the array_key_exists() will tell if the given key or index has been “created” in the array regardless the value of the element. like arrays in other languages, php arrays allow you to store multiple values in a single variable and operate on them as a set. use this function to find out how many elements an array contains; this information is most commonly used to initialize a loop counter when processing the array. code: 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 array contains value

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php array contains value

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php array contains value

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php array contains value

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