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<?php $numbers = range(1, 10); function printNumbers() { global $numbers; foreach ($numbers as $number) { echo $number . ', '; } } //$numbers =& $numbers; //<---- by reference (var.name does not matter) provides alternative behavour foreach ($numbers as $number) { echo $number . ": "; printNumbers(); echo "\n"; } // EXAMPLE 2: $numbers = range(1, 10); foreach ($numbers as $skip) { echo $skip . ','; next($numbers); } echo "\n"; // alternative behavour when using by-reference $numbers2 =& $numbers; foreach ($numbers2 as $skip) { echo $skip . ','; next($numbers2); }
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.3.6
1: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 3: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 4: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 5: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 6: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 7: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 8: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 9: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1,2,3,4,5,6,7,8,9,10, 1,2,3,4,5,6,7,8,9,10,
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
1: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 3: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 4: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 5: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 6: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 7: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 8: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 9: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1,2,3,4,5,6,7,8,9,10, 1,3,5,7,9,
preferences:
277.33 ms | 403 KiB | 371 Q