3v4l.org

run code in 300+ PHP versions simultaneously
<?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));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.4.00.0070.01114.68
7.3.120.0110.00414.75
7.3.110.0060.00914.79
7.3.100.0070.00715.08
7.3.90.0000.01114.86
7.3.80.0080.00414.75
7.3.70.0070.00714.63
7.3.60.0030.00614.61
7.3.50.0100.00714.45
7.3.40.0030.01414.81
7.3.30.0060.01014.93
7.3.20.0060.00616.75
7.3.10.0080.00916.68
7.3.00.0100.00316.49
7.2.250.0140.00014.62
7.2.240.0060.01214.91
7.2.230.0030.01415.25
7.2.220.0100.00714.85
7.2.210.0090.00614.81
7.2.200.0060.00314.96
7.2.190.0130.00015.13
7.2.180.0060.00614.93
7.2.170.0070.01014.97
7.2.130.0060.00916.93
7.2.120.0060.01016.98
7.2.110.0060.00616.69
7.2.100.0040.00816.71
7.2.90.0040.01116.80
7.2.80.0070.00716.72
7.2.70.0040.01116.91
7.2.60.0030.01016.92
7.2.50.0040.01216.90
7.2.40.0060.00917.04
7.2.30.0040.01216.86
7.2.20.0070.00417.04
7.2.10.0040.00716.72
7.2.00.0070.00316.94
7.1.330.0070.00715.59
7.1.320.0000.01215.86
7.1.310.0100.00315.89
7.1.300.0100.00316.00
7.1.290.0040.01215.91
7.1.280.0090.00615.93
7.1.270.0060.01015.77
7.1.260.0060.00615.99
7.1.250.0040.01115.94
7.1.70.0080.00817.32
7.1.60.0000.01719.40
7.1.50.0070.00716.92
7.1.00.0070.06022.52
7.0.200.0640.00314.78
7.0.140.0100.06722.07
7.0.120.0030.07022.04
7.0.60.0070.04019.96
7.0.50.0130.07017.92
7.0.40.0100.07017.69
7.0.30.0170.04017.71
7.0.20.0070.08017.76
7.0.10.0170.05317.93
7.0.00.0030.07317.81
5.6.280.0000.07721.13
5.6.210.0030.04720.67
5.6.200.0070.07718.18
5.6.190.0100.07018.18
5.6.180.0130.06018.21
5.6.170.0100.06718.21
5.6.160.0030.07718.29
5.6.150.0130.07718.29
5.6.140.0130.07318.23
5.6.130.0030.05018.19
5.6.120.0130.08018.11
5.6.110.0030.04718.18
5.6.100.0100.08018.20
5.6.90.0000.07718.16
5.6.80.0070.04017.54
5.6.70.0070.07317.54
5.6.60.0100.03717.55
5.6.50.0130.04017.53
5.6.40.0030.03717.54
5.6.30.0000.04017.57
5.6.20.0030.03717.64
5.6.10.0070.04017.51
5.6.00.0100.04017.54
5.5.350.0370.06720.49
5.5.340.0030.05318.04
5.5.330.0070.05717.95
5.5.320.0070.06317.93
5.5.310.0100.07718.02
5.5.300.0030.06718.08
5.5.290.0100.05317.92
5.5.280.0030.06018.03
5.5.270.0030.08017.91
5.5.260.0100.04718.02
5.5.250.0070.06717.74
5.5.240.0170.07317.47
5.5.230.0030.05317.37
5.5.220.0030.04017.46
5.5.210.0130.03017.43
5.5.200.0030.03717.38
5.5.190.0030.03717.37
5.5.180.0000.04017.28
5.5.160.0000.04317.44
5.5.150.0030.03717.43
5.5.140.0030.03717.33
5.5.130.0100.03017.29
5.5.120.0000.04017.34
5.5.110.0030.03717.32
5.5.100.0030.04717.20
5.5.90.0000.03717.23
5.5.80.0100.03017.20
5.5.70.0030.03717.23
5.5.60.0100.03017.33
5.5.50.0030.03717.23
5.5.40.0000.04017.33
5.5.30.0070.03717.18
5.5.20.0070.03317.32
5.5.10.0070.03317.20
5.5.00.0000.04017.26
5.4.450.0070.07319.38
5.4.440.0000.08019.46
5.4.430.0030.05719.41
5.4.420.0070.06019.19
5.4.410.0030.06019.31
5.4.400.0070.08019.02
5.4.390.0030.05719.27
5.4.380.0030.04019.05
5.4.370.0000.04018.89
5.4.360.0130.03019.03
5.4.350.0070.04019.09
5.4.340.0030.03719.12
5.4.320.0000.04019.13
5.4.310.0030.03719.10
5.4.300.0030.04019.03
5.4.290.0030.04019.06
5.4.280.0000.04019.05
5.4.270.0030.03719.04
5.4.260.0070.03319.04
5.4.250.0100.03019.13
5.4.240.0000.04019.13
5.4.230.0070.03318.94
5.4.220.0030.03718.95
5.4.210.0070.03319.04
5.4.200.0100.03319.00
5.4.190.0030.03718.88
5.4.180.0100.03019.00
5.4.170.0100.03019.00
5.4.160.0070.03319.03
5.4.150.0000.04019.07
5.4.140.0030.04716.39
5.4.130.0070.04716.30
5.4.120.0070.07316.40
5.4.110.0130.06316.42
5.4.100.0100.05716.48
5.4.90.0100.07316.35
5.4.80.0170.07016.37
5.4.70.0030.07016.54
5.4.60.0100.05716.53
5.4.50.0070.06016.38
5.4.40.0070.06316.57
5.4.30.0100.04716.26
5.4.20.0030.04316.32
5.4.10.0070.07316.51
5.4.00.0100.05315.82
5.3.290.0030.03714.73
5.3.280.0000.04314.65
5.3.270.0030.03714.64
5.3.260.0030.03714.68
5.3.250.0000.04014.64
5.3.240.0070.05014.67
5.3.230.0270.04714.63
5.3.220.0000.05714.58
5.3.210.0100.04714.42
5.3.200.0070.05714.42
5.3.190.0000.06714.60
5.3.180.0070.07714.59
5.3.170.0100.06314.56
5.3.160.0030.05314.60
5.3.150.0070.07014.61
5.3.140.0070.07714.54
5.3.130.0030.04014.54
5.3.120.0130.03014.62
5.3.110.0030.04014.54
5.3.100.0070.07314.06
5.3.90.0070.03314.04
5.3.80.0030.05314.08
5.3.70.0070.04014.04
5.3.60.0030.04013.99
5.3.50.0100.07013.95
5.3.40.0000.04314.00
5.3.30.0130.06713.82
5.3.20.0030.07713.70
5.3.10.0070.07313.67
5.3.00.0030.07013.67
5.2.170.0030.03711.11
5.2.160.0030.03311.18
5.2.150.0000.05311.20
5.2.140.0030.05711.19
5.2.130.0100.05711.14
5.2.120.0000.06011.11
5.2.110.0000.03711.16
5.2.100.0030.06311.00
5.2.90.0030.04011.16
5.2.80.0070.04011.13
5.2.70.0070.06311.30
5.2.60.0000.03311.14
5.2.50.0000.07011.00
5.2.40.0030.06711.20
5.2.30.0100.05710.96
5.2.20.0000.06311.02
5.2.10.0030.03010.85
5.2.00.0030.05710.77
5.1.60.0030.05310.05
5.1.50.0070.0509.98
5.1.40.0070.0539.98
5.1.30.0070.05710.33
5.1.20.0030.05310.38
5.1.10.0000.02710.16
5.1.00.0030.02310.16
5.0.50.0070.0438.72
5.0.40.0000.0408.72
5.0.30.0000.0378.72
5.0.20.0000.0308.72
5.0.10.0030.0478.72
5.0.00.0030.0408.72
4.4.90.0100.0278.72
4.4.80.0000.0178.72
4.4.70.0000.0238.72
4.4.60.0030.0208.72
4.4.50.0000.0178.72
4.4.40.0000.0378.72
4.4.30.0030.0308.72
4.4.20.0000.0238.72
4.4.10.0000.0378.72
4.4.00.0070.0438.72
4.3.110.0070.0308.72
4.3.100.0030.0238.72
4.3.90.0030.0138.72
4.3.80.0000.0578.72
4.3.70.0070.0338.72
4.3.60.0030.0378.72
4.3.50.0070.0278.72
4.3.40.0070.0378.72
4.3.30.0000.0308.72
4.3.20.0000.0238.72
4.3.10.0000.0378.72
4.3.00.0000.0278.72

preferences:
39.06 ms | 401 KiB | 5 Q