3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = $a = array(); for ($i = 0; $i<5; $i++) { $a[] = $i; $b[] = $i; } print_r(array_merge($a, $b));

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)
8.3.40.0070.00718.55
8.3.30.0040.01118.52
8.3.20.0040.01118.61
8.3.10.0060.00318.71
8.3.00.0030.00519.25
8.2.170.0070.00722.96
8.2.160.0090.00621.16
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00419.09
8.2.110.0030.00619.01
8.2.100.0030.01017.72
8.2.90.0030.00519.23
8.2.80.0080.00017.97
8.2.70.0030.00617.63
8.2.60.0060.00317.93
8.2.50.0030.00718.07
8.2.40.0050.00318.28
8.2.30.0040.00418.00
8.2.20.0060.00317.66
8.2.10.0040.00417.57
8.2.00.0070.00317.64
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00422.19
8.1.230.0040.00719.00
8.1.220.0040.00417.78
8.1.210.0050.00318.77
8.1.200.0070.00317.35
8.1.190.0040.00417.10
8.1.180.0050.00318.10
8.1.170.0030.00618.76
8.1.160.0050.00318.89
8.1.150.0040.00418.59
8.1.140.0030.00617.44
8.1.130.0000.00717.95
8.1.120.0040.00417.43
8.1.110.0040.00317.42
8.1.100.0030.00417.28
8.1.90.0000.00717.41
8.1.80.0020.00517.35
8.1.70.0000.00817.39
8.1.60.0070.00017.56
8.1.50.0040.00417.39
8.1.40.0000.00717.39
8.1.30.0020.00517.61
8.1.20.0040.00417.62
8.1.10.0020.00517.41
8.1.00.0000.00817.39
8.0.300.0060.00318.77
8.0.290.0070.00016.63
8.0.280.0000.00718.30
8.0.270.0000.00717.20
8.0.260.0000.00716.61
8.0.250.0040.00416.83
8.0.240.0050.00516.87
8.0.230.0070.00016.85
8.0.220.0080.00016.86
8.0.210.0000.00716.81
8.0.200.0040.00416.93
8.0.190.0040.00416.77
8.0.180.0000.01016.79
8.0.170.0040.00416.69
8.0.160.0040.00316.88
8.0.150.0000.00816.78
8.0.140.0040.00416.77
8.0.130.0030.00313.24
8.0.120.0040.00416.75
8.0.110.0070.00016.79
8.0.100.0040.00416.72
8.0.90.0000.00716.71
8.0.80.0000.01416.77
8.0.70.0050.00216.86
8.0.60.0040.00416.94
8.0.50.0030.00516.84
8.0.30.0120.00617.04
8.0.20.0090.00916.99
8.0.10.0000.00716.86
8.0.00.0100.01316.69
7.4.330.0000.00512.84
7.4.320.0060.00416.37
7.4.300.0030.00316.55
7.4.290.0000.00816.51
7.4.280.0000.00916.52
7.4.270.0000.00816.46
7.4.260.0030.00313.28
7.4.250.0030.00616.58
7.4.240.0020.00516.42
7.4.230.0030.00316.36
7.4.220.0070.01316.48
7.4.210.0100.00616.56
7.4.200.0030.00316.64
7.4.190.0050.00216.52
7.4.160.0120.00916.39
7.4.150.0080.00816.52
7.4.140.0080.00916.56
7.4.130.0110.00916.56
7.4.120.0080.01116.35
7.4.110.0030.01416.42
7.4.100.0150.00316.54
7.4.90.0000.01716.46
7.4.80.0090.00919.39
7.4.70.0030.01216.40
7.4.60.0030.01316.51
7.4.50.0080.00416.54
7.4.40.0090.00516.46
7.4.30.0060.01616.53
7.4.00.0070.01114.90
7.3.330.0030.00413.17
7.3.320.0060.00013.25
7.3.310.0030.00316.22
7.3.300.0000.00616.05
7.3.290.0000.01516.31
7.3.280.0040.01116.29
7.3.270.0070.01016.70
7.3.260.0060.01116.18
7.3.250.0140.00516.40
7.3.240.0040.01216.50
7.3.230.0130.00316.53
7.3.210.0130.00716.46
7.3.200.0080.00916.50
7.3.190.0140.00716.26
7.3.180.0080.01316.37
7.3.170.0160.00016.40
7.3.160.0100.01016.26
7.3.120.0100.00314.93
7.2.330.0090.00916.70
7.2.320.0140.00316.54
7.2.310.0090.01516.70
7.2.300.0060.01216.36
7.2.290.0100.01016.51
7.2.00.0030.00719.35
7.1.100.0070.00717.88
7.1.70.0000.00817.22
7.1.60.0100.01419.40
7.1.50.0110.01116.98
7.1.00.0000.06322.57
7.0.200.0290.00614.57
7.0.140.0030.07322.11
7.0.120.0000.07322.00
7.0.60.0030.04020.07
7.0.50.0070.08317.88
7.0.40.0070.06317.70
7.0.30.0030.09317.72
7.0.20.0070.08717.73
7.0.10.0030.08317.74
7.0.00.0100.08017.72
5.6.280.0030.07020.86
5.6.210.0170.07020.52
5.6.200.0100.08018.19
5.6.190.0030.05318.18
5.6.180.0070.03718.24
5.6.170.0030.06318.23
5.6.160.0000.06318.13
5.6.150.0030.06018.19
5.6.140.0130.07718.28
5.6.130.0130.08018.14
5.6.120.0170.07018.18
5.6.110.0070.08718.22
5.6.100.0070.03718.27
5.6.90.0070.04018.20
5.6.80.0030.07317.50
5.6.70.0070.03317.66
5.6.60.0170.06717.54
5.6.50.0030.08717.63
5.6.40.0070.05017.54
5.6.30.0100.03317.54
5.6.20.0030.05317.57
5.6.10.0000.05717.62
5.6.00.0070.08017.53
5.5.350.0200.04320.34
5.5.340.0170.04318.03
5.5.330.0130.07317.97
5.5.320.0070.06017.96
5.5.310.0100.07018.02
5.5.300.0070.08318.03
5.5.290.0000.04718.01
5.5.280.0100.03717.98
5.5.270.0130.05017.94
5.5.260.0030.04317.96
5.5.250.0030.04017.84
5.5.240.0030.05317.30
5.5.230.0000.06717.36
5.5.220.0100.07317.32
5.5.210.0030.08317.35
5.5.200.0070.06717.43
5.5.190.0100.03317.32
5.5.180.0070.04317.31
5.5.160.0100.07317.34
5.5.150.0070.07717.30
5.5.140.0030.05717.26
5.5.130.0000.09017.38
5.5.120.0130.07017.35
5.5.110.0170.06317.28
5.5.100.0030.04017.25
5.5.90.0100.07717.32
5.5.80.0100.06717.23
5.5.70.0000.04317.18
5.5.60.0070.03317.32
5.5.50.0030.03717.15
5.5.40.0000.04317.16
5.5.30.0030.03717.24
5.5.20.0070.03317.18
5.5.10.0030.03717.27
5.5.00.0070.04317.22
5.4.450.0100.07719.46
5.4.440.0100.06319.45
5.4.430.0130.07319.32
5.4.420.0030.04019.41
5.4.410.0070.03319.23
5.4.400.0200.06719.02
5.4.390.0030.07719.05
5.4.380.0000.05319.03
5.4.370.0070.07319.09
5.4.360.0200.06319.05
5.4.350.0030.03719.04
5.4.340.0070.04019.05
5.4.320.0100.07319.14
5.4.310.0130.05319.03
5.4.300.0030.08319.03
5.4.290.0000.05718.98
5.4.280.0030.08318.98
5.4.270.0030.06319.01
5.4.260.0000.05719.04
5.4.250.0170.05719.13
5.4.240.0070.03319.05
5.4.230.0030.03719.02
5.4.220.0000.04018.98
5.4.210.0100.03018.97
5.4.200.0030.03719.09
5.4.190.0030.03719.10
5.4.180.0070.03719.11
5.4.170.0070.04719.00
5.4.160.0070.07719.03
5.4.150.0070.04719.08
5.4.140.0070.03316.43
5.4.130.0030.03716.35
5.4.120.0070.03016.29
5.4.110.0070.03316.43
5.4.100.0130.03716.41
5.4.90.0170.02016.40
5.4.80.0100.03316.39
5.4.70.0030.03316.54
5.4.60.0000.03716.39
5.4.50.0070.03016.37
5.4.40.0070.03016.44
5.4.30.0030.03316.37
5.4.20.0000.03716.18
5.4.10.0000.03716.27
5.4.00.0000.03715.98
5.3.290.0100.04714.75
5.3.280.0070.03314.59
5.3.270.0070.03314.62
5.3.260.0030.05314.66
5.3.250.0000.04714.66
5.3.240.0030.04014.63
5.3.230.0030.03714.43
5.3.220.0070.03314.55
5.3.210.0000.04014.65
5.3.200.0000.03714.51
5.3.190.0100.04714.51
5.3.180.0000.04014.58
5.3.170.0070.03314.56
5.3.160.0000.04014.61
5.3.150.0030.04014.57
5.3.140.0030.03314.54
5.3.130.0070.03714.53
5.3.120.0000.04014.55
5.3.110.0030.03714.59
5.3.100.0030.03714.13
5.3.90.0000.03714.07
5.3.80.0000.03714.00
5.3.70.0030.03314.06
5.3.60.0000.03714.03
5.3.50.0100.04313.97
5.3.40.0000.04014.00
5.3.30.0030.03313.93
5.3.20.0030.03313.71
5.3.10.0100.03713.85
5.3.00.0100.04313.84
5.2.170.0000.03011.04
5.2.160.0030.02711.18
5.2.150.0030.02711.14
5.2.140.0000.03011.34
5.2.130.0000.03310.98
5.2.120.0000.03311.13
5.2.110.0030.02711.09
5.2.100.0170.02711.13
5.2.90.0070.04711.10
5.2.80.0030.04011.13
5.2.70.0070.06311.07
5.2.60.0100.04711.05
5.2.50.0070.06011.05
5.2.40.0130.04011.09
5.2.30.0130.05311.00
5.2.20.0070.04310.95
5.2.10.0030.06310.95
5.2.00.0030.06310.92
5.1.60.0070.05010.03
5.1.50.0000.05710.03
5.1.40.0000.0479.94
5.1.30.0100.04010.39
5.1.20.0070.05310.55
5.1.10.0100.05310.03
5.1.00.0030.05710.11
5.0.50.0000.0308.61
5.0.40.0030.0378.31
5.0.30.0030.0638.29
5.0.20.0000.0438.23
5.0.10.0030.0378.22
5.0.00.0070.0638.15
4.4.90.0000.0377.77
4.4.80.0100.0237.77
4.4.70.0000.0377.77
4.4.60.0000.0407.77
4.4.50.0030.0277.77
4.4.40.0000.0537.77
4.4.30.0030.0337.77
4.4.20.0070.0337.77
4.4.10.0000.0377.77
4.4.00.0100.0477.77
4.3.110.0000.0237.77
4.3.100.0030.0377.77
4.3.90.0100.0277.77
4.3.80.0000.0577.77
4.3.70.0030.0207.77
4.3.60.0070.0337.77
4.3.50.0000.0277.77
4.3.40.0000.0277.77
4.3.30.0030.0307.77
4.3.20.0000.0377.77
4.3.10.0000.0307.77
4.3.00.0030.0377.77

preferences:
41.55 ms | 400 KiB | 5 Q