3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = "laruence"; $var_dup = $var; debug_zval_dump($var_dup); debug_zval_dump($var); //unset($var); $var_dup=1; debug_zval_dump($var_dup);

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)
8.3.60.0090.01216.63
8.3.50.0070.00716.24
8.3.40.0040.01118.46
8.3.30.0140.00018.42
8.3.20.0040.00420.16
8.3.10.0000.00821.64
8.3.00.0030.00521.82
8.2.180.0030.01318.31
8.2.170.0120.00322.96
8.2.160.0140.00720.52
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00519.23
8.2.110.0060.00319.20
8.2.100.0040.00817.78
8.2.90.0040.00417.84
8.2.80.0050.00318.06
8.2.70.0090.00017.63
8.2.60.0080.00017.91
8.2.50.0000.00818.09
8.2.40.0070.00020.63
8.2.30.0000.00719.41
8.2.20.0040.00419.34
8.2.10.0030.00518.10
8.2.00.0000.00817.91
8.1.280.0100.00725.92
8.1.270.0090.00022.09
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0030.00723.76
8.1.230.0040.00720.97
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0000.01017.23
8.1.190.0050.00316.99
8.1.180.0040.00418.10
8.1.170.0060.00318.15
8.1.160.0000.00720.69
8.1.150.0040.00418.77
8.1.140.0040.00419.50
8.1.130.0000.00717.63
8.1.120.0000.00717.39
8.1.110.0000.00717.42
8.1.100.0000.00717.39
8.1.90.0050.00317.29
8.1.80.0000.00817.32
8.1.70.0070.00017.31
8.1.60.0000.00917.50
8.1.50.0080.00017.40
8.1.40.0060.00317.45
8.1.30.0030.00517.45
8.1.20.0000.00717.46
8.1.10.0080.00017.34
8.1.00.0040.00417.26
8.0.300.0040.00419.90
8.0.290.0070.00016.63
8.0.280.0040.00418.38
8.0.270.0030.00317.20
8.0.260.0040.00417.05
8.0.250.0000.00716.79
8.0.240.0040.00416.79
8.0.230.0070.00016.85
8.0.220.0070.00016.70
8.0.210.0000.00716.84
8.0.200.0000.00716.88
8.0.190.0080.00016.84
8.0.180.0050.00216.84
8.0.170.0040.00416.87
8.0.160.0030.00316.81
8.0.150.0070.00016.66
8.0.140.0000.00816.80
8.0.130.0000.00513.20
8.0.120.0000.00816.78
8.0.110.0000.00716.83
8.0.100.0020.00516.86
8.0.90.0000.00716.81
8.0.80.0110.00416.86
8.0.70.0030.00516.69
8.0.60.0000.00716.79
8.0.50.0000.00716.64
8.0.30.0110.00716.96
8.0.20.0130.00517.40
8.0.10.0040.00416.85
8.0.00.0070.00916.68
7.4.330.0050.00016.84
7.4.320.0030.00316.53
7.4.300.0070.00016.53
7.4.290.0040.00416.45
7.4.280.0040.00416.31
7.4.270.0000.00816.44
7.4.260.0000.00716.50
7.4.250.0040.00416.34
7.4.240.0070.00016.52
7.4.230.0070.00016.59
7.4.220.0100.01016.45
7.4.210.0100.01016.48
7.4.200.0070.00016.36
7.4.160.0070.01116.20
7.4.150.0110.00717.40
7.4.140.0070.01017.86
7.4.130.0060.01116.36
7.4.120.0150.00216.36
7.4.110.0110.01116.48
7.4.100.0110.01116.36
7.4.90.0140.00316.34
7.4.80.0090.00919.39
7.4.70.0100.00616.33
7.4.60.0030.01416.36
7.4.50.0070.00716.43
7.4.40.0030.01116.36
7.4.30.0130.01016.36
7.4.00.0000.01115.11
7.3.330.0050.00013.08
7.3.320.0060.00012.89
7.3.310.0000.00716.39
7.3.300.0050.00216.17
7.3.290.0040.01116.21
7.3.280.0060.01116.23
7.3.270.0090.00917.40
7.3.260.0150.00816.30
7.3.250.0110.00616.14
7.3.240.0120.00516.36
7.3.230.0170.00016.47
7.3.210.0130.00316.46
7.3.200.0120.00916.24
7.3.190.0110.00616.30
7.3.180.0070.01416.11
7.3.170.0070.01016.40
7.3.160.0150.00616.30
7.2.330.0070.01116.60
7.2.320.0110.00616.58
7.2.310.0110.01216.45
7.2.300.0140.00316.58
7.2.290.0130.00916.44
7.2.60.0030.01016.45
7.2.00.0000.01119.42
7.1.200.0030.01215.54
7.1.100.0160.00417.94
7.1.70.0050.00516.91
7.1.60.0100.01319.40
7.1.50.0070.01116.66
7.1.00.0030.07722.44
7.0.200.0060.00316.34
7.0.60.0230.05321.80
7.0.50.0130.07717.77
7.0.40.0100.08020.21
7.0.30.0270.07320.02
7.0.20.0330.08020.20
7.0.10.0070.08720.33
7.0.00.0100.07720.29
5.6.280.0070.05021.03
5.6.210.0130.07020.74
5.6.200.0070.06018.16
5.6.190.0130.05320.49
5.6.180.0030.04320.56
5.6.170.0230.04020.41
5.6.160.0100.08320.48
5.6.150.0000.05018.17
5.6.140.0000.05018.18
5.6.130.0030.04018.20
5.6.120.0130.07721.04
5.6.110.0100.07020.90
5.6.100.0170.08021.00
5.6.90.0000.05020.97
5.6.80.0100.06720.37
5.5.350.0370.06720.29
5.5.340.0130.07017.93
5.5.330.0130.07320.37
5.5.320.0600.06020.24
5.5.310.0200.04720.46
5.5.300.0070.06718.01
5.5.290.0130.07318.01
5.5.280.0170.07720.77
5.5.270.0100.07320.95
5.5.260.0130.06020.88
5.5.250.0030.07720.45
5.5.240.0270.07720.18

preferences:
47.66 ms | 400 KiB | 5 Q