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Diffstat (limited to 'node_modules/locutus/php/array/array_pop.js')
| -rw-r--r-- | node_modules/locutus/php/array/array_pop.js | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/node_modules/locutus/php/array/array_pop.js b/node_modules/locutus/php/array/array_pop.js new file mode 100644 index 0000000..08e857c --- /dev/null +++ b/node_modules/locutus/php/array/array_pop.js @@ -0,0 +1,51 @@ +'use strict'; + +module.exports = function array_pop(inputArr) { + // eslint-disable-line camelcase + // discuss at: http://locutus.io/php/array_pop/ + // original by: Kevin van Zonneveld (http://kvz.io) + // improved by: Kevin van Zonneveld (http://kvz.io) + // input by: Brett Zamir (http://brett-zamir.me) + // input by: Theriault (https://github.com/Theriault) + // bugfixed by: Kevin van Zonneveld (http://kvz.io) + // bugfixed by: Brett Zamir (http://brett-zamir.me) + // note 1: While IE (and other browsers) support iterating an object's + // note 1: own properties in order, if one attempts to add back properties + // note 1: in IE, they may end up in their former position due to their position + // note 1: being retained. So use of this function with "associative arrays" + // note 1: (objects) may lead to unexpected behavior in an IE environment if + // note 1: you add back properties with the same keys that you removed + // example 1: array_pop([0,1,2]) + // returns 1: 2 + // example 2: var $data = {firstName: 'Kevin', surName: 'van Zonneveld'} + // example 2: var $lastElem = array_pop($data) + // example 2: var $result = $data + // returns 2: {firstName: 'Kevin'} + + var key = ''; + var lastKey = ''; + + if (inputArr.hasOwnProperty('length')) { + // Indexed + if (!inputArr.length) { + // Done popping, are we? + return null; + } + return inputArr.pop(); + } else { + // Associative + for (key in inputArr) { + if (inputArr.hasOwnProperty(key)) { + lastKey = key; + } + } + if (lastKey) { + var tmp = inputArr[lastKey]; + delete inputArr[lastKey]; + return tmp; + } else { + return null; + } + } +}; +//# sourceMappingURL=array_pop.js.map
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