3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2); $b = array(); $r = array_merge($a,$b); var_dump($r); explode("\t" , " "); $x = " "; echo empty($x);

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)
8.3.60.0070.01418.23
8.3.50.0110.00418.05
8.3.40.0060.00918.47
8.3.30.0140.00018.95
8.3.20.0020.00520.30
8.3.10.0060.00321.92
8.3.00.0000.00819.14
8.2.180.0180.00316.32
8.2.170.0140.00022.96
8.2.160.0100.00322.11
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0070.00317.91
8.2.110.0000.00822.00
8.2.100.0090.00317.66
8.2.90.0060.00319.25
8.2.80.0030.00517.97
8.2.70.0040.00417.25
8.2.60.0040.00417.93
8.2.50.0000.00918.07
8.2.40.0050.00518.03
8.2.30.0000.00717.92
8.2.20.0000.00717.57
8.2.10.0000.00818.01
8.2.00.0000.00717.59
8.1.280.0040.01125.92
8.1.270.0030.00618.86
8.1.260.0070.00026.35
8.1.250.0000.01128.09
8.1.240.0090.00023.73
8.1.230.0060.00623.93
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0040.00417.35
8.1.190.0040.00417.10
8.1.180.0050.00318.89
8.1.170.0030.00518.43
8.1.160.0000.00721.99
8.1.150.0000.00718.78
8.1.140.0000.00817.32
8.1.130.0040.00417.81
8.1.120.0000.00717.45
8.1.110.0030.00517.29
8.1.100.0040.00417.43
8.1.90.0050.00217.28
8.1.80.0000.00817.38
8.1.70.0040.00417.48
8.1.60.0000.00917.40
8.1.50.0030.00617.52
8.1.40.0030.00617.47
8.1.30.0040.00417.63
8.1.20.0040.00417.50
8.1.10.0000.00717.42
8.1.00.0040.00417.34
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0050.00318.39
8.0.270.0030.00317.29
8.0.260.0000.00617.25
8.0.250.0070.00016.94
8.0.240.0050.00316.75
8.0.230.0030.00316.93
8.0.220.0050.00216.80
8.0.210.0040.00416.73
8.0.200.0040.00416.89
8.0.190.0030.00516.88
8.0.180.0040.00416.86
8.0.170.0000.00716.74
8.0.160.0040.00416.73
8.0.150.0000.00716.72
8.0.140.0000.00816.71
8.0.130.0090.00013.27
8.0.120.0000.00816.80
8.0.110.0050.00316.75
8.0.100.0040.00416.84
8.0.90.0000.00716.86
8.0.80.0120.00916.75
8.0.70.0070.00016.84
8.0.60.0000.00716.65
8.0.50.0040.00416.71
8.0.30.0170.00817.06
8.0.20.0120.00617.40
8.0.10.0040.00416.94
8.0.00.0080.01116.79
7.4.330.0020.00215.03
7.4.320.0070.00016.45
7.4.300.0060.00016.44
7.4.290.0030.00316.46
7.4.280.0040.00416.42
7.4.270.0000.00716.49
7.4.260.0080.00016.35
7.4.250.0000.00816.39
7.4.240.0030.00316.44
7.4.230.0030.00316.44
7.4.220.0120.00916.61
7.4.210.0120.00316.55
7.4.200.0000.00716.28
7.4.160.0060.00916.49
7.4.150.0110.00617.40
7.4.140.0080.01617.86
7.4.130.0100.00816.39
7.4.120.0070.01316.54
7.4.110.0070.01016.48
7.4.100.0040.01616.57
7.4.90.0100.01016.36
7.4.80.0210.00019.39
7.4.70.0090.00916.30
7.4.60.0080.00816.41
7.4.50.0030.00516.28
7.4.40.0110.01116.33
7.4.30.0130.00316.52
7.4.00.0070.01014.81
7.3.330.0070.00012.98
7.3.320.0000.00612.98
7.3.310.0030.00416.21
7.3.300.0030.00315.99
7.3.290.0090.00716.15
7.3.280.0120.00416.11
7.3.270.0170.00017.40
7.3.260.0070.01016.36
7.3.250.0070.01016.27
7.3.240.0030.01316.28
7.3.230.0110.00816.41
7.3.210.0130.00716.37
7.3.200.0120.00619.39
7.3.190.0060.01016.18
7.3.180.0070.01416.32
7.3.170.0120.00916.48
7.3.160.0030.01516.36
7.2.330.0070.01116.30
7.2.320.0110.00716.50
7.2.310.0030.01616.34
7.2.300.0160.00716.59
7.2.290.0140.00916.52
7.2.00.0040.01119.51
7.1.100.0910.01016.12
7.1.70.0050.00216.80
7.1.60.0030.02019.46
7.1.50.0040.01816.65
7.1.00.0070.07322.31
7.0.200.0000.00716.46
7.0.140.0000.05721.95
7.0.60.0030.07019.89
7.0.50.0130.07317.90
7.0.40.0130.06720.20
7.0.30.0300.06020.21
7.0.20.0130.05720.04
7.0.10.0230.08320.18
7.0.00.0130.06720.19
5.6.280.0030.07321.13
5.6.210.0070.07020.47
5.6.200.0070.06318.12
5.6.190.0100.05320.39
5.6.180.0200.04720.35
5.6.170.0330.04320.50
5.6.160.0170.04320.49
5.6.150.0130.07318.13
5.6.140.0030.04018.09
5.6.130.0030.06718.20
5.6.120.0000.05721.01
5.6.110.0070.07320.97
5.6.100.0030.08720.98
5.6.90.0070.07320.94
5.6.80.0030.08320.50
5.6.70.3870.04320.36
5.5.350.0200.07020.39
5.5.340.0130.07318.02
5.5.330.0130.04020.28
5.5.320.3700.04720.24
5.5.310.0300.04320.26
5.5.300.0130.07717.88
5.5.290.0130.06717.95
5.5.280.0000.08320.96
5.5.270.0070.04020.88
5.5.260.0270.06020.79
5.5.250.0070.08720.65
5.5.240.0130.04020.28
5.4.450.0370.05719.65
5.4.440.0770.06319.64
5.4.430.0100.05719.46
5.4.420.0130.05319.45
5.4.410.0170.05019.39
5.4.400.0000.06319.20
5.4.390.0230.06018.72
5.4.380.0200.05318.64
5.4.370.0100.08318.57
5.4.360.0230.07018.51
5.4.350.0200.05018.45
5.4.340.0230.04718.65
5.4.320.0230.05018.48
5.4.310.0170.05718.70
5.4.300.0300.04018.48
5.4.290.0200.05018.57
5.4.280.0270.04718.48
5.4.270.0130.05718.52
5.4.260.0130.06018.48
5.4.250.0130.06318.78
5.4.240.0170.05318.45
5.4.230.0170.05318.59
5.4.220.0300.05718.47
5.4.210.0170.05318.75
5.4.200.0170.05016.50
5.4.190.0270.05018.71
5.4.180.0230.05318.64
5.4.170.0300.05718.68
5.4.160.0200.05018.71
5.4.150.0170.05718.54
5.4.140.0170.05316.22
5.4.130.0230.04316.35
5.4.120.0170.05016.21
5.4.110.0300.05016.19
5.4.100.0130.05316.07
5.4.90.0100.05716.20
5.4.80.0270.05016.29
5.4.70.0200.05716.23
5.4.60.0300.04016.23
5.4.50.0200.05316.05
5.4.40.0200.05016.28
5.4.30.0200.04716.18
5.4.20.0200.05316.21
5.4.10.0170.05316.19
5.4.00.0130.05315.64
5.3.290.0070.06714.70
5.3.280.0170.05314.50
5.3.270.0230.05314.59
5.3.260.0130.06014.61
5.3.250.0330.03714.53
5.3.240.0230.04714.61
5.3.230.0170.05314.60
5.3.220.0100.05714.56
5.3.210.0100.06714.65
5.3.200.0200.05014.64
5.3.190.0230.05014.54
5.3.180.0170.05014.64
5.3.170.0100.05714.56
5.3.160.0230.04314.45
5.3.150.0170.06014.49
5.3.140.0170.04714.59
5.3.130.0270.04314.55
5.3.120.0130.07314.53
5.3.110.0130.06014.52
5.3.100.0130.05714.04
5.3.90.0300.03714.00
5.3.80.0130.05313.95
5.3.70.0170.05013.95
5.3.60.0200.04713.96
5.3.50.0170.05013.89
5.3.40.0170.05313.93
5.3.30.0170.06013.89
5.3.20.0230.04013.67
5.3.10.0200.04713.57
5.3.00.0230.04713.60
5.2.170.0130.04311.07
5.2.160.0130.04311.05
5.2.150.0130.04311.05
5.2.140.0130.04711.13
5.2.130.0130.04011.25
5.2.120.0030.05011.06
5.2.110.0170.03711.07
5.2.100.0130.04011.16
5.2.90.0070.04711.18
5.2.80.0200.03711.05
5.2.70.0230.03011.23
5.2.60.0200.04011.11
5.2.50.0100.04710.97
5.2.40.0130.04011.13
5.2.30.0170.03711.01
5.2.20.0100.05710.93
5.2.10.0070.04710.92
5.2.00.0130.04010.76
5.1.60.0130.03010.04
5.1.50.0070.0409.97
5.1.40.0170.0379.99
5.1.30.0100.03710.37
5.1.20.0130.03710.41
5.1.10.0100.03710.13
5.1.00.0100.03710.20
5.0.50.0100.0278.70
5.0.40.0100.0238.45
5.0.30.0130.0378.34
5.0.20.0100.0308.37
5.0.10.0030.0308.29
5.0.00.0070.0438.19
4.4.90.0030.0235.88
4.4.80.0100.0175.94
4.4.70.0030.0235.91
4.4.60.0100.0175.90
4.4.50.0130.0135.89
4.4.40.0030.0375.91
4.4.30.0030.0235.86
4.4.20.0070.0205.95
4.4.10.0030.0235.93
4.4.00.0000.0405.93
4.3.110.0100.0175.83
4.3.100.0000.0275.75
4.3.90.0100.0175.89
4.3.80.0030.0375.82
4.3.70.0130.0135.77
4.3.60.0100.0175.79
4.3.50.0000.0275.77
4.3.40.0000.0375.79
4.3.30.0030.0204.56
4.3.20.0030.0234.54
4.3.10.0000.0234.56
4.3.00.0130.0178.34

preferences:
44.77 ms | 400 KiB | 5 Q