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" , " "); $x = " "; echo empty(trim($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)
8.3.60.0100.01018.30
8.3.50.0100.01222.05
8.3.40.0110.00418.89
8.3.30.0120.00319.04
8.3.20.0040.00420.39
8.3.10.0080.00021.72
8.3.00.0030.00619.06
8.2.180.0170.00316.50
8.2.170.0070.00722.96
8.2.160.0100.00322.26
8.2.150.0000.00924.18
8.2.140.0090.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00719.66
8.2.110.0090.00021.04
8.2.100.0060.00617.78
8.2.90.0000.00819.21
8.2.80.0060.00317.97
8.2.70.0060.00617.13
8.2.60.0030.00617.92
8.2.50.0040.00418.10
8.2.40.0030.00618.03
8.2.30.0070.00018.09
8.2.20.0000.00717.53
8.2.10.0040.00418.02
8.2.00.0000.00717.77
8.1.280.0140.00625.92
8.1.270.0080.00019.04
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0000.01121.12
8.1.230.0110.00017.83
8.1.220.0040.00417.76
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0030.00617.11
8.1.180.0000.00718.10
8.1.170.0040.00418.59
8.1.160.0000.00721.91
8.1.150.0080.00018.88
8.1.140.0040.00419.22
8.1.130.0000.00717.73
8.1.120.0000.00717.39
8.1.110.0000.00817.50
8.1.100.0030.00417.51
8.1.90.0070.00017.34
8.1.80.0070.00017.32
8.1.70.0000.00717.46
8.1.60.0040.00417.64
8.1.50.0070.00317.36
8.1.40.0100.00017.41
8.1.30.0040.00417.51
8.1.20.0040.00417.54
8.1.10.0050.00317.53
8.1.00.0080.00017.30
8.0.300.0000.00818.77
8.0.290.0040.00716.75
8.0.280.0000.00718.35
8.0.270.0050.00317.17
8.0.260.0000.00717.17
8.0.250.0030.00316.91
8.0.240.0040.00416.84
8.0.230.0000.00816.93
8.0.220.0040.00416.86
8.0.210.0040.00416.92
8.0.200.0050.00316.91
8.0.190.0080.00016.94
8.0.180.0040.00416.91
8.0.170.0070.00016.80
8.0.160.0070.00016.79
8.0.150.0090.00316.81
8.0.140.0040.00416.77
8.0.130.0040.00413.35
8.0.120.0050.00316.79
8.0.110.0000.00716.84
8.0.100.0090.00016.86
8.0.90.0000.00816.78
8.0.80.0110.00816.93
8.0.70.0030.00516.73
8.0.60.0040.00416.83
8.0.50.0070.00016.90
8.0.30.0150.00716.97
8.0.20.0110.00817.40
8.0.10.0000.00716.96
8.0.00.0060.01016.71
7.4.330.0000.00615.06
7.4.320.0000.00616.52
7.4.300.0000.00616.54
7.4.290.0030.00316.46
7.4.280.0040.00416.55
7.4.270.0000.00716.49
7.4.260.0050.00516.62
7.4.250.0040.00416.45
7.4.240.0040.00416.39
7.4.230.0030.00316.62
7.4.220.0110.00716.39
7.4.210.0040.01016.49
7.4.200.0000.00716.46
7.4.160.0080.00816.34
7.4.150.0030.01517.40
7.4.140.0080.01117.86
7.4.130.0090.00716.53
7.4.120.0120.00816.50
7.4.110.0030.01416.40
7.4.100.0040.01616.35
7.4.90.0070.01016.31
7.4.80.0090.00919.39
7.4.70.0020.01416.27
7.4.60.0030.01416.50
7.4.50.0030.00516.43
7.4.40.0100.00716.46
7.4.30.0100.00516.55
7.4.00.0090.00914.98
7.3.330.0090.00012.96
7.3.320.0050.00013.05
7.3.310.0030.00315.96
7.3.300.0040.00416.10
7.3.290.0110.00516.12
7.3.280.0090.01016.13
7.3.270.0130.00317.40
7.3.260.0060.01116.36
7.3.250.0100.00916.41
7.3.240.0090.00916.49
7.3.230.0090.01316.48
7.3.210.0100.00616.36
7.3.200.0060.01019.39
7.3.190.0070.01016.09
7.3.180.0000.01616.12
7.3.170.0140.00716.51
7.3.160.0050.01516.45
7.3.10.0070.00716.48
7.3.00.0120.00316.19
7.2.330.0150.00416.44
7.2.320.0030.01316.36
7.2.310.0150.00316.61
7.2.300.0180.00516.49
7.2.290.0120.01316.43
7.2.130.0000.01316.70
7.2.120.0090.00016.88
7.2.110.0040.01116.62
7.2.100.0110.00416.85
7.2.90.0000.01016.93
7.2.80.0140.00716.89
7.2.70.0070.00716.62
7.2.60.0080.00316.88
7.2.50.0000.01216.59
7.2.40.0040.01116.80
7.2.30.0080.00416.52
7.2.20.0130.00316.69
7.2.10.0170.00316.93
7.2.00.0120.01018.06
7.1.250.0040.00715.46
7.1.100.0530.00415.83
7.1.70.0000.00717.25
7.1.60.0030.02019.46
7.1.50.0150.00316.70
7.1.00.0000.08022.41
7.0.200.0050.00216.54
7.0.140.0030.03722.09
7.0.60.0070.05319.93
7.0.50.0070.08317.86
7.0.40.0100.08720.08
7.0.30.0200.04720.17
7.0.20.0230.04020.02
7.0.10.0100.06020.18
7.0.00.0070.08720.05
5.6.280.0030.07320.88
5.6.210.0070.08020.50
5.6.200.0130.07718.19
5.6.190.0100.08320.60
5.6.180.0400.04720.58
5.6.170.0300.07720.50
5.6.160.0030.07720.43
5.6.150.0000.08718.18
5.6.140.0130.03318.22
5.6.130.0070.07318.21
5.6.120.0100.05320.96
5.6.110.0000.09321.04
5.6.100.0000.09320.99
5.6.90.0100.08020.87
5.6.80.0170.05020.40
5.5.350.4230.04320.36
5.5.340.0070.05317.98
5.5.330.0100.04320.24
5.5.320.1330.04720.28
5.5.310.0470.06720.41
5.5.300.0030.04017.90
5.5.290.0030.07017.96
5.5.280.0000.04720.93
5.5.270.0000.04320.86
5.5.260.0030.04020.92
5.5.250.0070.03720.45
5.5.240.0030.07020.16
5.4.450.0600.04319.61
5.4.440.0900.06719.11
5.4.430.0100.05719.62
5.4.420.0070.06019.25
5.4.410.0100.05719.04
5.4.400.0070.05719.16
5.4.390.0130.06018.57
5.4.380.0170.06718.57
5.4.370.0230.05018.64
5.4.360.0330.05318.68
5.4.350.0200.06318.52
5.4.340.0270.05018.56
5.4.320.0130.06318.68
5.4.310.0230.05318.74
5.4.300.0200.05318.67
5.4.290.0170.05318.75
5.4.280.0200.05718.66
5.4.270.0100.06318.69
5.4.260.0270.05018.62
5.4.250.0170.06018.50
5.4.240.0200.05718.67
5.4.230.0300.04718.69
5.4.220.0230.05318.45
5.4.210.0270.04718.55
5.4.200.0200.05316.65
5.4.190.0270.04318.47
5.4.180.0200.05018.72
5.4.170.0200.06018.66
5.4.160.0270.04718.71
5.4.150.0230.07318.69
5.4.140.0370.03716.27
5.4.130.0100.05716.22
5.4.120.0270.04016.22
5.4.110.0170.06316.26
5.4.100.0270.04716.10
5.4.90.0230.05016.14
5.4.80.0170.05316.26
5.4.70.0230.04716.11
5.4.60.0170.05016.10
5.4.50.0130.05016.14
5.4.40.0170.05016.29
5.4.30.0170.05316.13
5.4.20.0200.05016.23
5.4.10.0270.05316.21
5.4.00.0170.05015.61
5.3.290.0130.06014.59
5.3.280.0230.05314.69
5.3.270.0200.05014.58
5.3.260.0100.06314.55
5.3.250.0230.04714.52
5.3.240.0300.04014.53
5.3.230.0170.05314.63
5.3.220.0300.04314.62
5.3.210.0230.05014.59
5.3.200.0130.05714.48
5.3.190.0230.04714.61
5.3.180.0100.05714.55
5.3.170.0230.05014.56
5.3.160.0100.05714.53
5.3.150.0230.04714.53
5.3.140.0300.04014.50
5.3.130.0130.06014.54
5.3.120.0130.06314.44
5.3.110.0130.05714.52
5.3.100.0270.04314.09
5.3.90.0200.05013.91
5.3.80.0200.04713.91
5.3.70.0230.04313.93
5.3.60.0130.05313.98
5.3.50.0230.05013.88
5.3.40.0130.05713.86
5.3.30.0200.05013.84
5.3.20.0200.04713.67
5.3.10.0100.05713.75
5.3.00.0230.05013.57
5.2.170.0130.04711.11
5.2.160.0070.04711.11
5.2.150.0070.05011.29
5.2.140.0200.03711.09
5.2.130.0200.03711.05
5.2.120.0170.03711.05
5.2.110.0230.03011.09
5.2.100.0130.04011.07
5.2.90.0170.04011.13
5.2.80.0130.04311.23
5.2.70.0170.03711.04
5.2.60.0070.05011.20
5.2.50.0130.04311.15
5.2.40.0170.03711.00
5.2.30.0100.04310.91
5.2.20.0100.04011.02
5.2.10.0130.04310.82
5.2.00.0130.03710.88
5.1.60.0070.05310.00
5.1.50.0070.04010.04
5.1.40.0100.03310.00
5.1.30.0130.03310.33
5.1.20.0170.03010.36
5.1.10.0170.03010.16
5.1.00.0100.03710.09
5.0.50.0070.0278.64
5.0.40.0070.0278.47
5.0.30.0070.0438.28
5.0.20.0070.0278.23
5.0.10.0070.0278.20
5.0.00.0070.0438.17
4.4.90.0030.0275.90
4.4.80.0070.0205.88
4.4.70.0100.0205.86
4.4.60.0000.0275.90
4.4.50.0070.0205.87
4.4.40.0070.0335.88
4.4.30.0000.0275.89
4.4.20.0030.0275.88
4.4.10.0070.0205.96
4.4.00.0130.0275.93
4.3.110.0000.0275.76
4.3.100.0070.0205.82
4.3.90.0030.0235.81
4.3.80.0100.0305.89
4.3.70.0070.0205.82
4.3.60.0070.0205.82
4.3.50.0070.0235.82
4.3.40.0070.0335.74
4.3.30.0000.0274.60
4.3.20.0000.0274.62
4.3.10.0000.0234.47
4.3.00.0070.0178.34

preferences:
55.45 ms | 401 KiB | 5 Q