3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f($a) { current($a); echo key($a) === NULL; } $a = array(1, 2, 3); end($a); f($a);

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)
8.3.40.0150.00018.71
8.3.30.0140.00018.38
8.3.20.0050.00318.56
8.3.10.0080.00020.52
8.3.00.0060.00319.38
8.2.170.0100.01022.96
8.2.160.0080.00521.04
8.2.150.0090.00024.18
8.2.140.0090.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00419.36
8.2.110.0080.00321.05
8.2.100.0100.00317.59
8.2.90.0030.00619.32
8.2.80.0040.00419.31
8.2.70.0050.00317.63
8.2.60.0030.00518.04
8.2.50.0060.00318.07
8.2.40.0040.00418.32
8.2.30.0030.00618.07
8.2.20.0000.00717.58
8.2.10.0040.00417.50
8.2.00.0030.00817.61
8.1.270.0040.00424.66
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0090.00022.46
8.1.230.0110.00420.81
8.1.220.0050.00317.74
8.1.210.0030.00618.81
8.1.200.0060.00317.10
8.1.190.0020.00517.41
8.1.180.0050.00318.10
8.1.170.0040.00418.84
8.1.160.0070.00018.73
8.1.150.0000.00818.62
8.1.140.0030.00717.35
8.1.130.0000.00717.89
8.1.120.0000.00717.31
8.1.110.0080.00017.29
8.1.100.0040.00417.30
8.1.90.0070.00017.25
8.1.80.0050.00217.38
8.1.70.0070.00017.32
8.1.60.0000.00917.59
8.1.50.0070.00017.35
8.1.40.0000.00717.54
8.1.30.0070.00017.64
8.1.20.0030.00517.65
8.1.10.0000.00717.41
8.1.00.0000.00717.34
8.0.300.0040.00420.11
8.0.290.0030.00616.75
8.0.280.0030.00618.51
8.0.270.0030.00317.25
8.0.260.0030.00316.74
8.0.250.0070.00016.95
8.0.240.0000.00816.93
8.0.230.0000.00716.87
8.0.220.0030.00316.80
8.0.210.0070.00016.82
8.0.200.0000.00716.80
8.0.190.0000.00716.82
8.0.180.0050.00316.87
8.0.170.0030.00616.88
8.0.160.0000.00716.88
8.0.150.0040.00516.79
8.0.140.0090.00316.77
8.0.130.0030.00613.32
8.0.120.0070.00016.75
8.0.110.0070.00016.84
8.0.100.0050.00316.86
8.0.90.0040.00416.86
8.0.80.0040.01116.81
8.0.70.0040.00416.78
8.0.60.0040.00416.78
8.0.50.0040.00416.79
8.0.30.0110.00817.32
8.0.20.0140.00816.89
8.0.10.0040.00416.83
8.0.00.0100.01316.75
7.4.330.0000.00413.06
7.4.320.0030.00316.64
7.4.300.0030.00316.50
7.4.290.0000.00716.51
7.4.280.0040.00416.51
7.4.270.0000.00716.48
7.4.260.0000.00613.22
7.4.250.0060.00316.53
7.4.240.0020.00516.62
7.4.230.0040.00416.70
7.4.220.0090.01216.56
7.4.210.0050.00916.56
7.4.200.0070.00016.34
7.4.190.0070.00016.64
7.4.160.0120.00316.60
7.4.150.0100.01316.54
7.4.140.0090.00816.51
7.4.130.0080.01016.46
7.4.120.0080.01016.55
7.4.110.0100.00716.40
7.4.100.0150.00316.60
7.4.90.0140.00816.42
7.4.80.0030.01719.39
7.4.70.0080.00816.68
7.4.60.0170.00016.47
7.4.50.0000.00716.27
7.4.40.0040.01216.58
7.4.30.0160.00016.34
7.4.00.0060.01015.07
7.3.330.0000.00713.11
7.3.320.0000.00513.23
7.3.310.0070.00016.14
7.3.300.0060.00016.09
7.3.290.0120.00916.17
7.3.280.0080.00816.23
7.3.270.0120.00916.41
7.3.260.0120.00516.51
7.3.250.0050.01316.57
7.3.240.0110.00716.24
7.3.230.0090.00816.39
7.3.210.0090.00616.31
7.3.200.0080.00816.60
7.3.190.0060.01216.31
7.3.180.0130.00316.50
7.3.170.0100.00716.46
7.3.160.0000.01616.35
7.3.120.0120.00714.64
7.3.110.0080.00314.69
7.3.100.0000.01114.60
7.3.90.0000.01114.69
7.3.80.0030.00914.68
7.3.70.0070.00414.82
7.3.60.0090.00614.55
7.3.50.0030.01114.86
7.3.40.0030.01014.70
7.3.30.0060.00614.90
7.3.20.0040.01116.62
7.3.10.0100.00716.65
7.3.00.0060.01016.60
7.2.330.0100.00616.73
7.2.320.0060.01016.29
7.2.310.0160.01316.45
7.2.300.0110.00616.72
7.2.290.0030.01316.34
7.2.250.0060.01215.19
7.2.240.0080.00814.77
7.2.230.0120.00415.16
7.2.220.0060.01214.52
7.2.210.0070.00714.94
7.2.200.0060.00615.00
7.2.190.0000.01614.97
7.2.180.0060.00914.87
7.2.170.0030.01014.91
7.2.60.0100.00316.79
7.2.00.0040.00819.54
7.1.330.0000.01415.50
7.1.320.0070.00715.45
7.1.310.0070.00315.56
7.1.300.0090.00015.78
7.1.290.0080.00315.68
7.1.280.0100.00315.81
7.1.270.0100.00315.77
7.1.260.0040.00815.63
7.1.200.0340.00315.39
7.1.100.0000.01118.23
7.1.70.0030.00616.89
7.1.60.0040.02219.40
7.1.50.0100.01017.09
7.1.00.0130.06322.40
7.0.200.0030.00716.39
7.0.140.0070.07022.18
7.0.120.0030.07321.97
7.0.60.0000.04319.88
7.0.50.0100.07017.96
7.0.40.0070.09020.18
7.0.30.0230.04020.16
7.0.20.0200.08020.06
7.0.10.0030.04320.24
7.0.00.0070.06720.33
5.6.280.0000.07721.02
5.6.210.0070.08720.45
5.6.200.0000.04318.25
5.6.190.0030.04720.67
5.6.180.3930.04020.34
5.6.170.0300.04720.55
5.6.160.0070.04320.50
5.6.150.0030.03718.25
5.6.140.0030.07018.15
5.6.130.0030.04718.15
5.6.120.0100.07321.14
5.6.110.0170.06720.89
5.6.100.0000.07321.13
5.6.90.0070.08721.13
5.6.80.0030.06720.41
5.6.70.4430.04320.29
5.5.350.0070.07720.40
5.5.340.0070.03318.09
5.5.330.0030.04020.31
5.5.320.0330.07020.35
5.5.310.0270.07020.37
5.5.300.0130.06717.95
5.5.290.0030.04317.98
5.5.280.0000.08020.90
5.5.270.0070.04020.77
5.5.260.0170.06720.86
5.5.250.0070.08320.61
5.5.240.0070.07720.37
5.4.450.0100.04319.47
5.4.440.0100.08019.28
5.4.430.0030.04319.52
5.4.420.0130.06319.56
5.4.410.0100.07019.11
5.4.400.0100.07319.17
5.4.390.0070.06719.24
5.4.380.0030.08019.25
5.4.370.0070.03719.15
5.4.360.0070.03718.85
5.4.350.0070.05318.96
5.4.340.0100.06019.23
5.4.320.0130.06718.98
5.4.310.0000.06319.12
5.4.300.0170.06319.14
5.4.290.0130.05718.85
5.4.280.0070.08019.00
5.4.270.0130.04019.24
5.4.260.0070.03719.23
5.4.250.0100.07018.84
5.4.240.0100.07018.84
5.4.230.0000.07319.23
5.4.220.0100.07319.14
5.4.210.0030.04018.86
5.4.200.0170.06319.24
5.4.190.0000.04719.23
5.4.180.0000.08018.84
5.4.170.0100.03318.84
5.4.160.0070.07718.83
5.4.150.0000.05019.13
5.4.140.0070.03316.41
5.4.130.0070.06316.37
5.4.120.0070.05316.34
5.4.110.0100.07016.43
5.4.100.0030.04716.54
5.4.90.0030.04016.34
5.4.80.0030.05316.39
5.4.70.0100.05716.39
5.4.60.0030.03716.51
5.4.50.0000.06316.50
5.4.40.0070.06316.64
5.4.30.0070.07316.36
5.4.20.0030.07016.46
5.4.10.0000.04316.39
5.4.00.0030.03715.91
5.3.290.0070.04314.67
5.3.280.0070.07014.64
5.3.270.0030.08714.59
5.3.260.0030.06714.65
5.3.250.0070.05314.61
5.3.240.0230.03314.65
5.3.230.0130.03714.68
5.3.220.0070.04714.45
5.3.210.0100.04014.57
5.3.200.0070.05714.59
5.3.190.0070.03714.48
5.3.180.0030.05014.57
5.3.170.0070.06314.59
5.3.160.0070.03714.48
5.3.150.0070.07014.72
5.3.140.0000.04714.56
5.3.130.0000.04014.69
5.3.120.0130.07314.62
5.3.110.0030.04714.46
5.3.100.0030.04314.19
5.3.90.0000.04014.17
5.3.80.0100.03314.09
5.3.70.0030.06714.02
5.3.60.0070.03714.06
5.3.50.0000.06313.95
5.3.40.0070.05314.10
5.3.30.0130.05313.90
5.3.20.0100.06713.57
5.3.10.0030.07713.81
5.3.00.0030.04313.66
5.2.170.0070.06011.20
5.2.160.0030.04011.30
5.2.150.0030.06311.07
5.2.140.0070.03711.15
5.2.130.0100.05711.16
5.2.120.0070.05711.10
5.2.110.0030.03311.06
5.2.100.0000.05711.17
5.2.90.0030.02711.09
5.2.80.0070.02711.06
5.2.70.0070.04711.15
5.2.60.0070.03711.20
5.2.50.0000.05711.02
5.2.40.0000.06311.00
5.2.30.0070.03010.96
5.2.20.0070.06311.01
5.2.10.0070.03010.82
5.2.00.0000.04010.66
5.1.60.0030.0539.96
5.1.50.0000.0579.99
5.1.40.0000.06010.02
5.1.30.0070.04710.39
5.1.20.0070.05310.32
5.1.10.0000.0579.97
5.1.00.0070.05310.04
5.0.50.0000.0508.51
5.0.40.0000.0278.46
5.0.30.0030.0438.19
5.0.20.0030.0278.26
5.0.10.0000.0308.18
5.0.00.0000.0338.06
4.4.90.0000.0177.80
4.4.80.0030.0277.80
4.4.70.0000.0177.80
4.4.60.0100.0277.80
4.4.50.0000.0177.80
4.4.40.0000.0337.80
4.4.30.0000.0407.80
4.4.20.0000.0437.80
4.4.10.0070.0277.80
4.4.00.0000.0277.80
4.3.110.0000.0377.80
4.3.100.0030.0337.80
4.3.90.0000.0337.80
4.3.80.0000.0307.80
4.3.70.0000.0207.80
4.3.60.0000.0377.80
4.3.50.0000.0237.80
4.3.40.0030.0277.80
4.3.30.0000.0377.80
4.3.20.0000.0207.80
4.3.10.0000.0407.80
4.3.00.0030.0307.80

preferences:
32.41 ms | 400 KiB | 5 Q