3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tmp = sys_get_temp_dir(); unlink($tmp.'/file'); unlink($tmp.'/link1'); unlink($tmp.'/link2'); touch($tmp.'/file'); symlink($tmp.'/file', $tmp.'/link1'); symlink($tmp.'/link1', $tmp.'/link2'); var_dump(readlink($tmp.'/link2'));

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)
8.3.60.0180.00418.32
8.3.50.0270.01121.03
8.3.40.0130.00318.75
8.3.30.0090.00618.49
8.3.20.0080.00020.25
8.3.10.0120.00623.65
8.3.00.0000.00919.56
8.2.180.0000.01518.41
8.2.170.0130.00322.96
8.2.160.0150.00020.47
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0080.01126.16
8.2.120.0090.00017.63
8.2.110.0060.00321.06
8.2.100.0070.00417.78
8.2.90.0050.00317.97
8.2.80.0100.00217.97
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0030.00518.07
8.2.40.0050.00319.46
8.2.30.0030.00619.88
8.2.20.0050.00317.77
8.2.10.0030.00618.16
8.2.00.0000.00718.00
8.1.280.0170.00325.92
8.1.270.0190.00020.22
8.1.260.0030.00626.35
8.1.250.0130.00628.09
8.1.240.0040.00421.02
8.1.230.0100.00820.94
8.1.220.0090.00417.74
8.1.210.0040.00418.84
8.1.200.0060.00317.35
8.1.190.0080.00017.23
8.1.180.0050.00318.10
8.1.170.0000.00818.50
8.1.160.0000.00821.90
8.1.150.0030.00518.74
8.1.140.0000.00817.43
8.1.130.0040.00417.59
8.1.120.0040.00417.34
8.1.110.0030.00517.43
8.1.100.0040.00417.40
8.1.90.0040.00417.40
8.1.80.0070.00317.35
8.1.70.0070.00017.43
8.1.60.0030.00617.49
8.1.50.0080.00017.53
8.1.40.0070.00017.52
8.1.30.0000.00817.55
8.1.20.0000.00817.50
8.1.10.0000.00817.46
8.1.00.0000.00817.47
8.0.300.0040.00419.91
8.0.290.0040.00416.63
8.0.280.0050.00218.48
8.0.270.0000.00717.37
8.0.260.0030.00617.31
8.0.250.0040.00416.91
8.0.240.0060.00316.88
8.0.230.0040.00416.88
8.0.220.0000.00716.82
8.0.210.0030.00516.93
8.0.200.0000.00917.09
8.0.190.0000.00816.89
8.0.180.0070.00316.95
8.0.170.0030.00616.95
8.0.160.0040.00417.00
8.0.150.0030.00316.92
8.0.140.0050.00216.89
8.0.130.0000.00613.33
8.0.120.0030.00516.86
8.0.110.0000.00816.95
8.0.100.0000.00816.88
8.0.90.0050.00217.00
8.0.80.0110.00716.94
8.0.70.0000.00817.04
8.0.60.0000.00716.98
8.0.50.0000.00816.98
8.0.30.0060.00916.94
8.0.20.0130.00817.40
8.0.10.0080.00016.93
8.0.00.0060.01316.88
7.4.330.0000.00615.08
7.4.320.0030.00316.50
7.4.300.0030.00316.58
7.4.290.0070.00016.50
7.4.280.0040.00416.52
7.4.270.0070.00016.59
7.4.260.0000.00716.46
7.4.250.0040.00416.57
7.4.240.0020.00516.43
7.4.230.0030.00316.60
7.4.220.0060.01316.45
7.4.210.0120.00316.51
7.4.200.0020.00516.61
7.4.160.0090.00616.50
7.4.150.0120.01217.40
7.4.140.0110.00717.86
7.4.130.0100.01716.55
7.4.120.0050.01216.50
7.4.110.0070.01016.59
7.4.100.0000.01616.60
7.4.90.0100.00716.55
7.4.80.0120.00619.39
7.4.70.0150.00816.71
7.4.60.0060.01116.48
7.4.50.0000.00616.42
7.4.40.0070.01016.34
7.4.30.0000.01716.59
7.4.00.0030.01414.94
7.3.330.0050.00013.16
7.3.320.0030.00313.21
7.3.310.0000.00716.40
7.3.300.0000.00616.34
7.3.290.0090.00916.31
7.3.280.0070.01016.35
7.3.270.0150.00417.40
7.3.260.0180.00016.58
7.3.240.0040.01516.55
7.3.230.0090.00916.40
7.3.210.0100.00616.54
7.3.200.0030.01416.37
7.3.190.0040.01416.44
7.3.180.0070.01116.39
7.3.170.0060.01216.27
7.3.160.0070.01516.43
7.2.330.0080.01116.42
7.2.320.0140.00316.45
7.2.310.0080.00816.41
7.2.300.0140.00316.63
7.2.290.0070.01116.42
7.2.60.0110.00316.77
7.2.00.0000.01419.25
7.1.200.0040.00815.67
7.1.100.0170.01017.88
7.1.70.0030.00816.80
7.1.60.0110.01119.12
7.1.50.0040.02116.96
7.1.00.0100.07022.29
7.0.200.0000.00716.86
7.0.60.0000.08719.85
7.0.50.0030.04017.67
7.0.40.0000.04720.07
7.0.30.0200.05320.10
7.0.20.0200.08720.18
7.0.10.0000.05020.30
7.0.00.0100.07720.32
5.6.210.0070.07720.54
5.6.200.0070.08718.09
5.6.190.0030.05020.61
5.6.180.0200.04020.34
5.6.170.0270.04720.55
5.6.160.0100.08020.34
5.6.150.0000.08318.21
5.6.140.0170.07018.17
5.6.130.0030.07018.14
5.6.120.0070.04321.03
5.6.110.0130.07721.13
5.6.100.0130.06721.13
5.6.90.0070.08321.03
5.6.80.0100.06720.43
5.6.70.0300.05320.27
5.5.350.2930.04020.43
5.5.340.0230.06017.96
5.5.330.0100.08020.15
5.5.320.0300.06720.42
5.5.310.0030.05020.32
5.5.300.0070.03717.96
5.5.290.0070.03717.95
5.5.280.0030.08020.73
5.5.270.0030.05720.76
5.5.260.0000.07320.88
5.5.250.0070.07720.49
5.5.240.0230.06720.07
5.4.450.0270.05719.53
5.4.440.0730.05719.64
5.4.430.0770.05319.52
5.4.420.0600.06719.59
5.4.410.0600.06019.37
5.4.400.0700.04718.98
5.4.390.0700.05019.20
5.4.380.0670.05018.96
5.4.370.0600.07718.82
5.4.360.0570.08019.15
5.4.350.0570.06019.18
5.4.340.0870.05719.17
5.4.320.0870.08019.18
5.4.310.0670.04719.12
5.4.300.0570.05719.27
5.4.290.0730.04318.96
5.4.280.0730.05319.27
5.4.270.0670.05018.83
5.4.260.0630.04318.96
5.4.250.0530.06319.12
5.4.240.0730.04719.08
5.4.230.0730.04718.78
5.4.220.0730.05019.16
5.4.210.0670.05318.91
5.4.200.0670.06018.95
5.4.190.0670.06318.82
5.4.180.0800.04719.12
5.4.170.0770.05019.30
5.4.160.0770.04719.27
5.4.150.0700.05018.98
5.4.140.0600.05016.27
5.4.130.0670.05316.38
5.4.120.0670.07016.20
5.4.110.0870.06316.22
5.4.100.0730.06716.55
5.4.90.0670.07316.46
5.4.80.0770.05016.53
5.4.70.0270.06016.43
5.4.60.0300.05016.38
5.4.50.0030.07016.24
5.4.40.0070.06016.48
5.4.30.0000.03716.20
5.4.20.0100.03016.40

preferences:
52.8 ms | 401 KiB | 5 Q