Online PHP editor | output for GA2F9

@ 2016-01-23T20:46:26Z

<?php
function replace2($matches, $replacements, $frame) {
    if (!isset($matches[0]) || !is_array($matches[0]) || empty($matches[0])) {
        return [];
    }
    $result = [];
    foreach ($matches[0] as $value) {
        if (isset($replacements[$value])) {
            foreach ($replacements[$value] as $v) {
                $tmp = str_replace($value, $v, $frame);
                $result[$tmp] = $tmp;
                array_shift($matches);
                replace2($matches, $replacements, $frame);
            }
        }
    }
    return $result;
}
    
function doStuff($frame) {
    $replacements = [
        '{childName}' => [],
        '{favoriteFood}' => ['pizza', 'soup', 'burger'],
        '{favoriteToy}' => ['doll', 'teddy bear', 'truck', 'computer']
    ];

    preg_match_all('/'.implode('|', array_keys($replacements)).'/', $frame, $matches);
    if (count($matches[0]) < 1) {
        return [$frame => null];
    }
    
    return replace2($matches, $replacements, $frame);
}

$frames = [
    '{childName} loves to eat {favoriteFood} and play with his or her {favoriteToy}',
    '{childName} loves to eat {favoriteFood}',
    '{childName} loves to play'
];

foreach ($frames as $frame) {
    var_dump(doStuff($frame));
    echo "\n";
}

Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7: array(7) { ["{childName} loves to eat pizza and play with his or her {favoriteToy}"]=> string(69) "{childName} loves to eat pizza and play with his or her {favoriteToy}" ["{childName} loves to eat soup and play with his or her {favoriteToy}"]=> string(68) "{childName} loves to eat soup and play with his or her {favoriteToy}" ["{childName} loves to eat burger and play with his or her {favoriteToy}"]=> string(70) "{childName} loves to eat burger and play with his or her {favoriteToy}" ["{childName} loves to eat {favoriteFood} and play with his or her doll"]=> string(69) "{childName} loves to eat {favoriteFood} and play with his or her doll" ["{childName} loves to eat {favoriteFood} and play with his or her teddy bear"]=> string(75) "{childName} loves to eat {favoriteFood} and play with his or her teddy bear" ["{childName} loves to eat {favoriteFood} and play with his or her truck"]=> string(70) "{childName} loves to eat {favoriteFood} and play with his or her truck" ["{childName} loves to eat {favoriteFood} and play with his or her computer"]=> string(73) "{childName} loves to eat {favoriteFood} and play with his or her computer" } array(3) { ["{childName} loves to eat pizza"]=> string(30) "{childName} loves to eat pizza" ["{childName} loves to eat soup"]=> string(29) "{childName} loves to eat soup" ["{childName} loves to eat burger"]=> string(31) "{childName} loves to eat burger" } array(0) { }

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