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<?php function array_random($arr, $num = 1) { shuffle($arr); $r = array(); for ($i = 0; $i < $num; $i++) { $r[] = $arr[$i]; } return $num == 1 ? $r[0] : $r; } $a = array("apple", "banana", "cherry"); print_r(array_random($a)); print_r(array_random($a, 2));
Output for 4.3.5 - 4.3.6, 4.4.0, 5.0.5, 5.2.8, 5.3.3, 5.3.9, 5.3.21, 5.4.1, 5.4.16, 5.4.29, 5.4.35, 5.4.39 - 5.4.40, 5.5.21, 7.0.4, 7.2.9 - 7.2.10, 7.4.0
appleArray ( [0] => cherry [1] => apple )
Output for 4.3.11, 5.2.12, 5.4.6, 5.4.30, 7.0.20, 7.1.28 - 7.1.29, 7.2.17, 7.3.12
bananaArray ( [0] => apple [1] => cherry )
Output for 5.2.1, 5.2.6 - 5.2.7, 5.2.13, 5.3.17, 5.3.20, 5.3.24, 5.5.7, 5.6.15, 7.0.0, 7.2.2 - 7.2.3, 7.3.0, 7.3.11
cherryArray ( [0] => apple [1] => cherry )
Output for 4.3.2, 4.3.8, 5.2.17, 5.3.8, 5.3.19, 5.4.8, 5.4.27, 5.4.34, 5.4.41, 5.5.28, 7.1.5, 7.1.26, 7.3.10
bananaArray ( [0] => banana [1] => apple )
Output for 4.3.1, 4.4.4, 5.0.2 - 5.0.3, 5.2.10 - 5.2.11, 5.2.15 - 5.2.16, 5.3.11, 5.3.14, 5.3.23, 5.3.29, 5.4.10, 5.4.12, 5.4.18 - 5.4.19, 5.4.26, 5.4.42, 5.5.4, 5.5.24, 5.6.3, 5.6.5, 7.1.27, 7.3.9
bananaArray ( [0] => banana [1] => cherry )
Output for 5.0.4, 5.1.2, 5.2.2, 5.2.9, 5.3.5, 5.4.7, 5.4.23, 5.4.31, 5.5.0, 5.5.31, 5.6.0, 5.6.2, 5.6.6, 5.6.8, 7.2.18, 7.2.25, 7.3.3, 7.3.8
cherryArray ( [0] => cherry [1] => banana )
Output for 5.1.1, 5.1.4, 5.2.14, 5.4.14, 5.5.6, 5.5.35, 5.6.13, 5.6.28, 7.0.2, 7.0.6, 7.2.4, 7.2.6, 7.3.5 - 7.3.7
bananaArray ( [0] => cherry [1] => banana )
Output for 4.3.3 - 4.3.4, 4.4.1, 5.3.1, 5.3.16, 5.4.3, 5.5.5, 5.5.8, 5.5.10, 5.5.18, 5.5.34, 5.6.21, 7.1.30, 7.3.4
bananaArray ( [0] => apple [1] => banana )
Output for 4.4.9, 5.1.0, 5.3.7, 5.3.25, 5.4.22, 5.6.12, 5.6.17, 7.1.25, 7.2.12, 7.2.22, 7.3.2
appleArray ( [0] => apple [1] => banana )
Output for 4.4.3, 5.3.28, 5.4.5, 5.6.14, 5.6.18, 7.1.6, 7.1.31, 7.2.5, 7.3.1
bananaArray ( [0] => cherry [1] => apple )
Output for 5.2.5, 5.3.6, 5.3.13, 5.4.15, 5.4.25, 5.4.44 - 5.4.45, 5.5.3, 5.5.11, 5.5.25, 5.6.1, 5.6.19, 7.0.3, 7.2.21, 7.2.24
appleArray ( [0] => banana [1] => apple )
Output for 5.1.5, 5.2.4, 5.3.0, 5.3.15, 5.3.18, 5.4.11, 5.5.1, 5.5.16, 5.6.4, 5.6.7, 5.6.9, 7.1.32, 7.2.20, 7.2.23
cherryArray ( [0] => banana [1] => cherry )
Output for 5.3.12, 5.3.26, 5.4.4, 5.4.20, 5.5.9, 5.5.19, 5.5.26 - 5.5.27, 5.6.11, 7.1.7, 7.2.7, 7.2.19
appleArray ( [0] => banana [1] => cherry )
Output for 5.1.3, 5.1.6, 5.3.27, 5.4.0, 5.4.9, 5.4.17, 5.5.20, 5.5.22 - 5.5.23, 7.0.14, 7.2.13
cherryArray ( [0] => banana [1] => apple )
Output for 4.3.7, 4.4.7, 5.3.10, 5.4.28, 5.4.32, 5.5.29 - 5.5.30, 5.6.16, 7.0.5, 7.2.0, 7.2.8, 7.2.11
cherryArray ( [0] => apple [1] => banana )
Output for 4.4.6, 5.0.1, 5.2.0, 5.3.4, 5.4.13, 5.4.24, 5.5.12, 5.5.33, 5.6.10, 7.1.0, 7.2.1
appleArray ( [0] => cherry [1] => banana )
Output for 4.3.10, 4.4.2, 4.4.8, 5.0.0, 5.3.22, 5.4.2, 5.4.21, 5.4.36 - 5.4.38, 5.4.43, 5.5.32, 5.6.20, 7.0.12, 7.1.33
appleArray ( [0] => apple [1] => cherry )
Output for 4.3.0, 4.3.9, 4.4.5, 5.2.3, 5.3.2, 5.5.2, 5.5.13 - 5.5.15, 7.0.1
cherryArray ( [0] => cherry [1] => apple )

preferences:
189.78 ms | 402 KiB | 251 Q