3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tmp = sys_get_temp_dir(); touch($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)
8.3.60.0150.00618.30
8.3.50.0160.00521.02
8.3.40.0140.00418.89
8.3.30.0180.00418.68
8.3.20.0070.00020.32
8.3.10.0090.00923.51
8.3.00.0080.00819.79
8.2.180.0080.01518.54
8.2.170.0120.00622.96
8.2.160.0140.00720.37
8.2.150.0110.00724.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0040.00417.38
8.2.110.0060.00322.33
8.2.100.0080.00417.63
8.2.90.0000.00819.08
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0050.00318.04
8.2.50.0040.00418.07
8.2.40.0080.00019.46
8.2.30.0020.00519.86
8.2.20.0050.00317.69
8.2.10.0040.00417.95
8.2.00.0070.00318.06
8.1.280.0100.01025.92
8.1.270.0050.00220.38
8.1.260.0000.01426.35
8.1.250.0100.00328.09
8.1.240.0100.00022.57
8.1.230.0080.00417.42
8.1.220.0060.00317.75
8.1.210.0080.00018.77
8.1.200.0000.01017.23
8.1.190.0050.00317.23
8.1.180.0000.00718.10
8.1.170.0070.00018.55
8.1.160.0000.00721.96
8.1.150.0050.00218.80
8.1.140.0040.00417.39
8.1.130.0040.00417.73
8.1.120.0070.00017.45
8.1.110.0070.00017.44
8.1.100.0000.00717.38
8.1.90.0030.00417.43
8.1.80.0040.00417.41
8.1.70.0000.00717.38
8.1.60.0040.00417.42
8.1.50.0060.00317.45
8.1.40.0030.00517.46
8.1.30.0000.00917.58
8.1.20.0060.00317.62
8.1.10.0050.00317.42
8.1.00.0080.00017.34
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0080.00018.46
8.0.270.0000.00717.27
8.0.260.0060.00317.27
8.0.250.0040.00417.01
8.0.240.0030.00616.89
8.0.230.0030.00316.91
8.0.220.0070.00016.98
8.0.210.0000.00816.97
8.0.200.0060.00316.93
8.0.190.0000.00817.03
8.0.180.0070.00317.01
8.0.170.0030.00516.98
8.0.160.0040.00416.86
8.0.150.0000.00716.95
8.0.140.0000.00716.91
8.0.130.0000.00613.29
8.0.120.0000.00816.82
8.0.110.0040.00416.88
8.0.100.0000.00716.85
8.0.90.0080.00016.94
8.0.80.0090.00616.94
8.0.70.0040.00416.73
8.0.60.0000.00716.95
8.0.50.0040.00416.93
8.0.30.0090.00817.05
8.0.20.0150.00717.40
8.0.10.0080.00016.84
8.0.00.0090.00816.87
7.4.330.0030.00315.15
7.4.320.0030.00316.59
7.4.300.0070.00016.41
7.4.290.0000.00716.50
7.4.280.0050.00216.55
7.4.270.0000.00716.45
7.4.260.0030.00316.40
7.4.250.0000.00716.34
7.4.240.0000.00716.42
7.4.230.0030.00316.65
7.4.220.0090.00916.54
7.4.210.0090.01216.52
7.4.200.0080.00016.61
7.4.160.0080.00816.42
7.4.150.0100.00817.40
7.4.140.0080.01117.86
7.4.130.0110.00816.61
7.4.120.0110.00616.62
7.4.110.0100.01016.45
7.4.100.0070.01016.44
7.4.90.0060.00916.32
7.4.80.0170.00619.39
7.4.70.0100.00616.40
7.4.60.0000.01616.40
7.4.50.0040.00416.60
7.4.40.0140.00316.32
7.4.30.0090.00916.44
7.4.00.0070.00914.84
7.3.330.0000.00512.97
7.3.320.0000.00513.02
7.3.310.0030.00316.26
7.3.300.0030.00316.11
7.3.290.0100.01016.23
7.3.280.0090.01016.19
7.3.270.0170.00317.40
7.3.260.0130.00316.17
7.3.250.0090.00916.31
7.3.240.0030.01416.16
7.3.230.0060.01116.39
7.3.210.0080.00916.33
7.3.200.0060.01016.28
7.3.190.0100.01016.48
7.3.180.0160.00016.50
7.3.170.0040.01116.27
7.3.160.0090.00916.32
7.3.120.0060.00814.77
7.3.110.0080.00514.72
7.3.100.0040.01114.81
7.3.90.0050.00714.62
7.3.80.0020.00914.64
7.3.70.0100.00514.69
7.3.60.0080.00714.74
7.3.50.0060.00614.58
7.3.40.0060.00714.60
7.3.30.0100.00414.57
7.3.20.0050.00816.52
7.3.10.0060.00416.52
7.3.00.0050.01016.49
7.2.330.0060.01116.59
7.2.320.0090.01216.29
7.2.310.0090.00916.73
7.2.300.0040.01416.52
7.2.290.0090.00916.65
7.2.250.0040.01114.69
7.2.240.0070.00715.08
7.2.230.0050.00814.95
7.2.220.0050.01315.03
7.2.210.0050.01014.82
7.2.200.0060.00814.75
7.2.190.0060.00615.03
7.2.180.0030.01014.88
7.2.170.0080.01014.96
7.2.160.0040.01214.87
7.2.150.0120.00616.76
7.2.140.0060.00916.77
7.2.130.0040.00816.88
7.2.120.0060.01316.69
7.2.110.0090.00916.83
7.2.100.0040.01116.81
7.2.90.0030.01216.84
7.2.80.0090.00616.94
7.2.70.0140.00316.74
7.2.60.0090.00616.77
7.2.50.0060.01216.95
7.2.40.0040.01116.88
7.2.30.0060.00617.03
7.2.20.0030.01316.40
7.2.10.0030.01316.72
7.2.00.0020.01218.20
7.1.330.0050.00915.60
7.1.320.0120.00415.62
7.1.310.0090.00715.85
7.1.300.0050.00815.62
7.1.290.0100.00415.66
7.1.280.0070.00815.68
7.1.270.0080.00715.71
7.1.260.0020.01415.61
7.1.250.0090.00615.63
7.1.200.0100.00315.57
7.1.70.0030.00516.95
7.1.60.0030.00917.23
7.1.50.0070.01416.59
7.1.00.0000.08022.47
7.0.200.0000.00916.08
7.0.60.0030.06320.02
7.0.50.0030.04017.86
7.0.40.0100.03720.11
7.0.30.0530.05320.21
7.0.20.0370.05320.01
7.0.10.0000.04720.10
7.0.00.0170.06720.00
5.6.280.0030.06020.77
5.6.210.0130.07020.50
5.6.200.0000.08718.17
5.6.190.0070.08020.39
5.6.180.0130.04320.50
5.6.170.0130.08720.70
5.6.160.0100.07020.72
5.6.150.0030.04718.23
5.6.140.0070.07018.19
5.6.130.0100.04018.10
5.6.120.0030.06021.04
5.6.110.0070.08320.96
5.6.100.0030.08321.00
5.6.90.0070.06020.98
5.6.80.0070.07320.27
5.6.70.0130.03320.49
5.5.350.3770.03720.37
5.5.340.0070.04317.99
5.5.330.0100.08020.37
5.5.320.0370.07720.52
5.5.310.0130.04020.13
5.5.300.0030.04018.03
5.5.290.0100.03317.99
5.5.280.0000.09020.76
5.5.270.0070.08720.67
5.5.260.0030.07720.86
5.5.250.0130.07720.75
5.5.240.0270.06320.18
5.4.450.0800.05319.52
5.4.440.0830.05019.13
5.4.430.1070.05719.25
5.4.420.0800.05019.24
5.4.410.0670.05319.37
5.4.400.0730.05319.17
5.4.390.0730.05718.84
5.4.380.0830.04719.20
5.4.370.0870.05019.22
5.4.360.0900.04018.84
5.4.350.0930.04019.10
5.4.340.0830.05319.29
5.4.320.0600.05719.32
5.4.310.0670.05019.09
5.4.300.0730.03719.31
5.4.290.0670.05319.09
5.4.280.0730.08019.27
5.4.270.1000.04719.17
5.4.260.0670.05319.23
5.4.250.0670.05019.20
5.4.240.0770.05019.08
5.4.230.0770.05019.16
5.4.220.0700.05019.30
5.4.210.0630.05018.95
5.4.200.0670.06019.08
5.4.190.0730.05719.32
5.4.180.0730.04319.15
5.4.170.0670.05318.77
5.4.160.0670.05019.29
5.4.150.0570.06019.29
5.4.140.0770.03716.27
5.4.130.0530.06016.29
5.4.120.0530.05316.34
5.4.110.0700.06016.36
5.4.100.0700.05716.39
5.4.90.0630.04316.38
5.4.80.0500.05716.49
5.4.70.0230.04716.38
5.4.60.0370.05316.45
5.4.50.0000.08016.38
5.4.40.0030.05316.05
5.4.30.0000.03716.21
5.4.20.0030.07016.37

preferences:
35.33 ms | 401 KiB | 5 Q