3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = array( "a" , "b" , "c" , "d" , "e" ); $output = array_merge ( $input , $input ); var_dump($output);

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)
8.3.60.0140.00318.11
8.3.50.0200.00019.68
8.3.40.0150.00018.54
8.3.30.0130.00618.96
8.3.20.0000.00720.36
8.3.10.0070.00021.76
8.3.00.0050.00319.56
8.2.180.0040.01116.49
8.2.170.0070.01022.96
8.2.160.0100.00320.35
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.00820.75
8.2.110.0090.00022.25
8.2.100.0030.00817.59
8.2.90.0030.00519.17
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0050.00317.80
8.2.50.0030.00618.07
8.2.40.0090.00018.22
8.2.30.0080.00018.05
8.2.20.0000.00817.57
8.2.10.0070.00017.95
8.2.00.0040.00417.58
8.1.280.0110.00425.92
8.1.270.0000.00822.09
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0070.00319.01
8.1.220.0050.00317.74
8.1.210.0000.00718.77
8.1.200.0060.00317.35
8.1.190.0090.00017.25
8.1.180.0060.00318.89
8.1.170.0000.00818.57
8.1.160.0000.00721.82
8.1.150.0000.00718.82
8.1.140.0000.00717.43
8.1.130.0030.00317.88
8.1.120.0070.00017.24
8.1.110.0000.00717.28
8.1.100.0040.00417.20
8.1.90.0000.00717.28
8.1.80.0030.00317.43
8.1.70.0070.00017.41
8.1.60.0070.00017.55
8.1.50.0040.00417.45
8.1.40.0040.00417.32
8.1.30.0030.00617.57
8.1.20.0030.00617.43
8.1.10.0040.00417.49
8.1.00.0000.00717.23
8.0.300.0050.00318.77
8.0.290.0000.00717.13
8.0.280.0070.00018.39
8.0.270.0070.00017.11
8.0.260.0000.00717.22
8.0.250.0090.00016.88
8.0.240.0000.00816.80
8.0.230.0000.00716.86
8.0.220.0000.00716.72
8.0.210.0000.00716.69
8.0.200.0040.00416.88
8.0.190.0040.00416.95
8.0.180.0030.00516.87
8.0.170.0000.00816.79
8.0.160.0040.00416.86
8.0.150.0000.00716.68
8.0.140.0000.00716.69
8.0.130.0060.00313.26
8.0.120.0030.00616.74
8.0.110.0050.00316.67
8.0.100.0040.00416.86
8.0.90.0000.00816.89
8.0.80.0070.01116.89
8.0.70.0000.00816.77
8.0.60.0070.00016.67
8.0.50.0000.00716.80
8.0.30.0140.00916.82
8.0.20.0160.00417.40
8.0.10.0030.00516.95
8.0.00.0090.00916.58
7.4.330.0000.00615.03
7.4.320.0000.00616.49
7.4.300.0000.00616.54
7.4.290.0030.00316.58
7.4.280.0000.00716.33
7.4.270.0030.00316.45
7.4.260.0080.00316.55
7.4.250.0040.00416.41
7.4.240.0020.00516.42
7.4.230.0040.00416.33
7.4.220.0150.00816.54
7.4.210.0060.00916.34
7.4.200.0040.00416.43
7.4.160.0130.00316.19
7.4.150.0060.01617.40
7.4.140.0090.00917.86
7.4.130.0090.00916.43
7.4.120.0140.00616.32
7.4.110.0130.00616.50
7.4.100.0030.01716.32
7.4.90.0070.01116.38
7.4.80.0070.01019.39
7.4.70.0100.00616.39
7.4.60.0070.01016.38
7.4.50.0020.00216.23
7.4.40.0110.00616.50
7.4.30.0030.01716.41
7.4.00.0040.00714.61
7.3.330.0070.00012.98
7.3.320.0030.00312.91
7.3.310.0000.00816.28
7.3.300.0030.00316.14
7.3.290.0080.00716.14
7.3.280.0100.00816.16
7.3.270.0070.01017.40
7.3.260.0120.00616.35
7.3.240.0180.00316.18
7.3.230.0000.01616.39
7.3.210.0070.01016.06
7.3.200.0120.01219.39
7.3.190.0090.01016.51
7.3.180.0080.00816.05
7.3.170.0140.00316.58
7.3.160.0060.01016.09
7.3.10.0070.00716.35
7.3.00.0090.00316.38
7.2.330.0120.00616.34
7.2.320.0080.00816.22
7.2.310.0120.00616.59
7.2.300.0100.01316.37
7.2.290.0090.00916.51
7.2.130.0000.01416.89
7.2.120.0120.00616.80
7.2.110.0040.01216.84
7.2.100.0000.01216.39
7.2.90.0000.01716.88
7.2.80.0090.00316.73
7.2.70.0090.00616.82
7.2.60.0040.01116.64
7.2.50.0040.01116.51
7.2.40.0040.01116.52
7.2.30.0070.01016.96
7.2.20.0030.00716.78
7.2.10.0120.00316.69
7.2.00.0030.01218.05
7.1.250.0030.01015.36
7.1.100.0040.00718.13
7.1.70.0060.00317.09
7.1.60.0090.01519.57
7.1.50.0120.00617.00
7.1.00.0030.07722.48
7.0.200.0030.00716.39
7.0.140.0070.06722.21
7.0.60.0100.03719.73
7.0.50.0100.04717.79
7.0.40.0030.08020.21
7.0.30.0270.05320.04
7.0.20.0270.03320.16
7.0.10.0130.04320.01
7.0.00.0030.08720.16
5.6.280.0000.07721.12
5.6.210.0100.08020.69
5.6.200.0170.07718.22
5.6.190.0200.09320.63
5.6.180.0070.07720.27
5.6.170.0370.07020.41
5.6.160.0130.04320.54
5.6.150.0170.04718.16
5.6.140.0070.08018.11
5.6.130.0030.08018.15
5.6.120.0100.03721.01
5.6.110.0130.06020.95
5.6.100.0170.06720.97
5.6.90.0070.07321.07
5.6.80.0070.06320.35
5.5.350.4200.04720.36
5.5.340.0030.05317.96
5.5.330.0070.04320.25
5.5.320.0230.04020.34
5.5.310.0170.04020.34
5.5.300.0030.07018.01
5.5.290.0000.09317.98
5.5.280.0070.08020.88
5.5.270.0070.04020.75
5.5.260.0000.04320.75
5.5.250.0130.06720.60
5.5.240.0130.02720.25
5.4.450.0200.05319.46
5.4.440.0970.05719.53
5.4.430.0100.05319.46
5.4.420.0100.06019.31
5.4.410.0100.05318.87
5.4.400.0130.05318.77
5.4.390.0100.05318.49
5.4.380.0030.06018.52
5.4.370.0200.05018.52
5.4.360.0130.06018.68
5.4.350.0270.04718.52
5.4.340.0270.04718.52
5.4.320.0200.05318.59
5.4.310.0170.05318.77
5.4.300.0200.05018.68
5.4.290.0300.04018.49
5.4.280.0200.05018.59
5.4.270.0200.05318.51
5.4.260.0230.06318.72
5.4.250.0300.05318.61
5.4.240.0130.05718.68
5.4.230.0130.05718.72
5.4.220.0270.04718.77
5.4.210.0200.05018.70
5.4.200.0070.06016.64
5.4.190.0200.05018.50
5.4.180.0300.04018.67
5.4.170.0170.05718.60
5.4.160.0300.04018.66
5.4.150.0330.04718.46
5.4.140.0170.06016.21
5.4.130.0200.05316.15
5.4.120.0270.04716.30
5.4.110.0230.05016.25
5.4.100.0200.05316.22
5.4.90.0170.06716.16
5.4.80.0330.06716.20
5.4.70.0370.06016.28
5.4.60.0270.04316.11
5.4.50.0200.05016.27
5.4.40.0200.05316.33
5.4.30.0170.05016.11
5.4.20.0130.06016.12
5.4.10.0300.04016.09
5.4.00.0230.04715.68
5.3.290.0070.07014.71
5.3.280.0100.06314.56
5.3.270.0330.04314.65
5.3.260.0230.05314.57
5.3.250.0100.06314.58
5.3.240.0270.04314.69
5.3.230.0230.05014.59
5.3.220.0230.04714.51
5.3.210.0170.06014.61
5.3.200.0130.05714.48
5.3.190.0270.05014.57
5.3.180.0270.04714.48
5.3.170.0200.05714.46
5.3.160.0170.05314.46
5.3.150.0170.05714.56
5.3.140.0170.05714.54
5.3.130.0330.04314.50
5.3.120.0200.06014.57
5.3.110.0230.05014.64
5.3.100.0230.05014.01
5.3.90.0270.04714.00
5.3.80.0200.05313.99
5.3.70.0130.06013.95
5.3.60.0230.05013.98
5.3.50.0270.05013.86
5.3.40.0200.05714.04
5.3.30.0230.04713.82
5.3.20.0200.04713.68
5.3.10.0170.05013.70
5.3.00.0270.04313.60
5.2.170.0200.03711.07
5.2.160.0200.03311.20
5.2.150.0070.05011.18
5.2.140.0200.03711.09
5.2.130.0170.04011.09
5.2.120.0230.03311.08
5.2.110.0170.03711.11
5.2.100.0200.03311.08
5.2.90.0070.04711.01
5.2.80.0170.04011.13
5.2.70.0170.04011.04
5.2.60.0170.03710.97
5.2.50.0130.04011.05
5.2.40.0230.03011.03
5.2.30.0200.03310.99
5.2.20.0130.04010.91
5.2.10.0100.04310.86
5.2.00.0130.03710.75
5.1.60.0130.03010.11
5.1.50.0100.03710.00
5.1.40.0230.0279.95
5.1.30.0100.04010.31
5.1.20.0100.04010.39
5.1.10.0070.04310.11
5.1.00.0100.03710.16
5.0.50.0130.0238.57
5.0.40.0070.0278.52
5.0.30.0030.0478.25
5.0.20.0030.0308.18
5.0.10.0100.0338.18
5.0.00.0130.0408.23
4.4.90.0100.0175.95
4.4.80.0030.0235.86
4.4.70.0070.0205.89
4.4.60.0100.0175.89
4.4.50.0100.0175.89
4.4.40.0100.0305.87
4.4.30.0030.0275.86
4.4.20.0070.0236.00
4.4.10.0100.0175.95
4.4.00.0030.0375.84
4.3.110.0100.0205.82
4.3.100.0030.0235.85
4.3.90.0030.0235.86
4.3.80.0070.0335.79
4.3.70.0070.0205.80
4.3.60.0030.0235.77
4.3.50.0100.0205.91
4.3.40.0030.0375.73
4.3.30.0070.0204.57
4.3.20.0030.0234.57
4.3.10.0030.0234.57
4.3.00.0030.0236.63

preferences:
62.41 ms | 400 KiB | 5 Q