3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = null; var_dump(array_merge(array('foobar'), $arr));

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)
8.3.60.0210.00018.31
8.3.50.0120.00721.92
8.3.40.0130.00718.92
8.3.30.0170.00319.22
8.3.20.0040.00420.39
8.3.10.0080.00021.86
8.3.00.0000.00722.46
8.2.180.0130.01318.66
8.2.170.0000.01422.96
8.2.160.0120.00319.21
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0070.01126.16
8.2.120.0050.00219.54
8.2.110.0060.00322.16
8.2.100.0060.00617.91
8.2.90.0040.00419.17
8.2.80.0000.00818.05
8.2.70.0060.00317.63
8.2.60.0060.00617.93
8.2.50.0030.00518.07
8.2.40.0070.00018.09
8.2.30.0070.00418.06
8.2.20.0000.00817.53
8.2.10.0070.00017.79
8.2.00.0030.00517.74
8.1.280.0170.00325.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0070.00323.87
8.1.230.0070.00418.86
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.24
8.1.190.0040.00417.43
8.1.180.0090.00018.75
8.1.170.0000.00818.50
8.1.160.0000.00722.04
8.1.150.0060.00318.57
8.1.140.0000.00817.29
8.1.130.0030.00317.87
8.1.120.0000.00717.36
8.1.110.0040.00417.34
8.1.100.0000.00717.27
8.1.90.0040.00417.37
8.1.80.0030.00317.38
8.1.70.0040.00417.38
8.1.60.0080.00017.52
8.1.50.0030.00517.50
8.1.40.0000.00717.50
8.1.30.0000.00717.61
8.1.20.0040.00417.58
8.1.10.0000.00817.50
8.1.00.0000.00817.38
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0050.00218.32
8.0.270.0070.00017.23
8.0.260.0000.00716.81
8.0.250.0030.00316.92
8.0.240.0050.00316.86
8.0.230.0040.00417.00
8.0.220.0040.00416.92
8.0.210.0030.00316.91
8.0.200.0000.00716.93
8.0.190.0050.00516.98
8.0.180.0000.00816.88
8.0.170.0040.00416.91
8.0.160.0070.00016.82
8.0.150.0040.00416.71
8.0.140.0000.00716.84
8.0.130.0000.00613.29
8.0.120.0080.00016.91
8.0.110.0070.00016.86
8.0.100.0040.00416.91
8.0.90.0040.00316.95
8.0.80.0100.00616.91
8.0.70.0000.00716.76
8.0.60.0000.00816.89
8.0.50.0040.00416.87
8.0.30.0060.01316.94
8.0.20.0090.00917.40
8.0.10.0040.00417.06
8.0.00.0120.00616.64
7.4.330.0050.00016.79
7.4.320.0030.00316.42
7.4.300.0000.00616.52
7.4.290.0000.00916.52
7.4.280.0060.00016.43
7.4.270.0000.00716.52
7.4.260.0000.00716.46
7.4.250.0070.00016.32
7.4.240.0000.00716.42
7.4.230.0000.00616.54
7.4.220.0070.01016.42
7.4.210.0060.00916.50
7.4.200.0000.00716.64
7.4.190.0030.00316.40
7.4.160.0100.00716.55
7.4.150.0150.00317.40
7.4.140.0080.00917.86
7.4.130.0120.00516.51
7.4.120.0110.00616.50
7.4.110.0140.00316.31
7.4.100.0130.00716.39
7.4.90.0070.01116.65
7.4.80.0120.00416.46
7.4.70.0100.01016.44
7.4.60.0070.01016.33
7.4.50.0000.00816.21
7.4.40.0060.01022.77
7.4.30.0030.01316.43
7.4.00.0030.01415.01
7.3.330.0050.00012.99
7.3.320.0000.00512.91
7.3.310.0000.00816.14
7.3.300.0000.00716.10
7.3.290.0160.00316.16
7.3.280.0090.00816.17
7.3.270.0090.00917.40
7.3.260.0060.01216.16
7.3.250.0060.01016.30
7.3.240.0160.00316.28
7.3.230.0200.00316.39
7.3.210.0120.00616.28
7.3.200.0120.01319.39
7.3.190.0060.01316.52
7.3.180.0150.00616.53
7.3.170.0080.00816.27
7.3.160.0100.00616.36
7.3.120.0060.00914.65
7.3.10.0140.00716.46
7.3.00.0130.00316.67
7.2.330.0090.00816.30
7.2.320.0110.00516.08
7.2.310.0070.01016.48
7.2.300.0100.00616.50
7.2.290.0100.01016.61
7.2.130.0100.00016.31
7.2.120.0160.00316.37
7.2.110.0090.00616.59
7.2.100.0030.01116.73
7.2.90.0190.00716.55
7.2.80.0070.00716.66
7.2.70.0030.01016.56
7.2.60.0100.00616.60
7.2.50.0040.01216.47
7.2.40.0140.00716.74
7.2.30.0030.01016.69
7.2.20.0130.00616.52
7.2.10.0060.00916.39
7.2.00.0100.00617.79
7.1.250.0070.00715.46
7.1.70.0000.00816.73
7.1.60.0040.00716.86
7.1.50.0040.01216.89
7.1.00.0070.04722.48
7.0.200.0060.00916.40
7.0.140.0000.07321.93
7.0.60.0270.05019.88
7.0.50.0100.03717.89
7.0.40.0100.07720.05
7.0.30.0370.07320.17
7.0.20.0100.04720.18
7.0.10.0330.07720.01
7.0.00.0100.05020.11
5.6.280.0100.06720.86
5.6.210.0030.09020.72
5.6.200.0070.08018.11
5.6.190.0000.04720.33
5.6.180.3500.04720.45
5.6.170.0200.06020.55
5.6.160.0000.06020.43
5.6.150.0070.08318.12
5.6.140.0130.07718.20
5.6.130.0000.08718.14
5.6.120.0070.07320.98
5.6.110.0070.09020.99
5.6.100.0000.08321.00
5.6.90.0100.06321.03
5.6.80.0170.06720.38
5.6.70.0300.07320.37
5.5.350.0330.06720.39
5.5.340.0030.03717.95
5.5.330.0130.07720.06
5.5.320.0230.07320.31
5.5.310.0300.07720.17
5.5.300.0000.06018.01
5.5.290.0070.04018.01
5.5.280.0130.04020.67
5.5.270.0130.04320.86
5.5.260.0100.03720.79
5.5.250.0070.03720.77
5.5.240.0000.07320.22
5.4.450.0170.05019.49
5.4.440.0730.05019.58
5.4.430.0700.05719.66
5.4.420.0570.05719.40
5.4.410.0900.07319.12
5.4.400.0370.04718.76
5.4.390.0430.04718.46
5.4.380.0270.05318.71
5.4.370.0100.05718.62
5.4.360.0230.04318.49
5.4.350.0130.05318.70
5.4.340.0200.04718.73
5.4.320.0090.03612.45
5.4.310.0050.04812.45
5.4.300.0050.03912.45
5.4.290.0050.03812.45
5.4.280.0060.03612.34
5.4.270.0070.03912.34
5.4.260.0060.03812.35
5.4.250.0100.06318.90
5.4.240.0100.05018.88
5.4.230.0030.05318.75
5.4.220.0030.06018.88
5.4.210.0130.04719.02
5.4.200.0130.04718.89
5.4.190.0230.04019.03
5.4.180.0170.05018.70
5.4.170.0170.04318.93
5.4.160.0170.04319.01
5.4.150.0070.05718.72
5.4.140.0130.04716.27
5.4.130.0070.05716.30
5.4.120.0100.06316.46
5.4.110.0100.05016.41
5.4.100.0000.05316.41
5.4.90.0130.04716.35
5.4.80.0130.04316.51
5.4.70.0130.04716.42
5.4.60.0100.04716.44
5.4.50.0130.06716.23
5.4.40.0100.04716.23
5.4.30.0100.05016.46
5.4.20.0130.04316.46
5.4.10.0000.05716.39
5.4.00.0130.05315.69
5.3.290.0090.05212.80
5.3.280.0070.05014.68
5.3.270.0070.06014.66
5.3.260.0170.05314.38
5.3.250.0030.05714.61
5.3.240.0170.06014.60
5.3.230.0030.06014.36
5.3.220.0170.06314.27
5.3.210.0070.05714.26
5.3.200.0030.05714.48
5.3.190.0100.05014.58
5.3.180.0070.05014.43
5.3.170.0170.04014.57
5.3.160.0100.04714.56
5.3.150.0130.06314.45
5.3.140.0070.05014.57
5.3.130.0070.05314.70
5.3.120.0070.05314.38
5.3.110.0100.04714.54
5.3.100.0200.05313.95
5.3.90.0130.04714.03
5.3.80.0100.04713.71
5.3.70.0100.06014.03
5.3.60.0070.05014.14
5.3.50.0100.04714.00
5.3.40.0100.04713.86
5.3.30.0130.04313.79
5.3.20.0070.06013.70
5.3.10.0070.04713.65
5.3.00.0030.05313.41
5.2.170.0000.04711.07
5.2.160.0030.04011.05
5.2.150.0100.03711.02
5.2.140.0030.04710.90
5.2.130.0000.04311.09
5.2.120.0100.03311.11
5.2.110.0030.04011.10
5.2.100.0000.04310.93
5.2.90.0130.04311.11
5.2.80.0030.04311.18
5.2.70.0030.04011.20
5.2.60.0030.04310.81
5.2.50.0000.04310.95
5.2.40.0100.04710.93
5.2.30.0030.04310.73
5.2.20.0100.03310.73
5.2.10.0200.03711.03
5.2.00.0170.05010.77
5.1.60.0000.0379.95
5.1.50.0030.0339.95
5.1.40.0000.0379.93
5.1.30.0100.03010.35
5.1.20.0070.05010.52
5.1.10.0100.03010.21
5.1.00.0070.0339.97
5.0.50.0000.0338.46
5.0.40.0130.0178.43
5.0.30.0030.0478.25
5.0.20.0030.0238.15
5.0.10.0000.0378.11
5.0.00.0070.0378.06
4.4.90.0000.0237.41
4.4.80.0030.0207.41
4.4.70.0000.0237.41
4.4.60.0030.0207.41
4.4.50.0100.0237.41
4.4.40.0000.0377.41
4.4.30.0000.0237.41
4.4.20.0030.0237.41
4.4.10.0030.0207.41
4.4.00.0030.0307.41
4.3.110.0030.0207.41
4.3.100.0000.0237.41
4.3.90.0070.0137.41
4.3.80.0070.0277.41
4.3.70.0000.0207.41
4.3.60.0030.0207.41
4.3.50.0030.0207.41
4.3.40.0100.0277.41
4.3.30.0000.0237.41
4.3.20.0070.0177.41
4.3.10.0030.0207.41
4.3.00.0000.0237.18

preferences:
37.38 ms | 401 KiB | 5 Q