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Diffstat (limited to 'node_modules/locutus/php/array/array_intersect.js')
-rw-r--r-- | node_modules/locutus/php/array/array_intersect.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/node_modules/locutus/php/array/array_intersect.js b/node_modules/locutus/php/array/array_intersect.js new file mode 100644 index 0000000..4e0b5c0 --- /dev/null +++ b/node_modules/locutus/php/array/array_intersect.js @@ -0,0 +1,45 @@ +'use strict'; + +module.exports = function array_intersect(arr1) { + // eslint-disable-line camelcase + // discuss at: http://locutus.io/php/array_intersect/ + // original by: Brett Zamir (http://brett-zamir.me) + // note 1: These only output associative arrays (would need to be + // note 1: all numeric and counting from zero to be numeric) + // example 1: var $array1 = {'a' : 'green', 0:'red', 1: 'blue'} + // example 1: var $array2 = {'b' : 'green', 0:'yellow', 1:'red'} + // example 1: var $array3 = ['green', 'red'] + // example 1: var $result = array_intersect($array1, $array2, $array3) + // returns 1: {0: 'red', a: 'green'} + + var retArr = {}; + var argl = arguments.length; + var arglm1 = argl - 1; + var k1 = ''; + var arr = {}; + var i = 0; + var k = ''; + + arr1keys: for (k1 in arr1) { + // eslint-disable-line no-labels + arrs: for (i = 1; i < argl; i++) { + // eslint-disable-line no-labels + arr = arguments[i]; + for (k in arr) { + if (arr[k] === arr1[k1]) { + if (i === arglm1) { + retArr[k1] = arr1[k1]; + } + // If the innermost loop always leads at least once to an equal value, + // continue the loop until done + continue arrs; // eslint-disable-line no-labels + } + } + // If it reaches here, it wasn't found in at least one array, so try next value + continue arr1keys; // eslint-disable-line no-labels + } + } + + return retArr; +}; +//# sourceMappingURL=array_intersect.js.map
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