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')); var_dump(realpath($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)
8.3.70.0040.01116.54
8.3.60.0120.00318.31
8.3.50.0320.00421.08
8.3.40.0130.01318.88
8.3.30.0090.00618.67
8.3.20.0060.00320.39
8.3.10.0000.00823.48
8.3.00.0080.00819.40
8.2.180.0110.01116.72
8.2.170.0120.00922.96
8.2.160.0110.00420.35
8.2.150.0060.00325.66
8.2.140.0040.00424.66
8.2.130.0060.01226.16
8.2.120.0040.00417.63
8.2.110.0100.00022.05
8.2.100.0070.00717.75
8.2.90.0040.00418.99
8.2.80.0000.00917.97
8.2.70.0050.00517.63
8.2.60.0030.00517.93
8.2.50.0080.00018.07
8.2.40.0060.00319.28
8.2.30.0060.00318.18
8.2.20.0040.00417.76
8.2.10.0000.00718.07
8.2.00.0040.00418.10
8.1.280.0110.00425.92
8.1.270.0040.00420.18
8.1.260.0040.01126.35
8.1.250.0040.00428.09
8.1.240.0090.00022.42
8.1.230.0090.00317.42
8.1.220.0050.00317.74
8.1.210.0000.00918.77
8.1.200.0030.00617.22
8.1.190.0000.00817.35
8.1.180.0050.00318.10
8.1.170.0030.00518.51
8.1.160.0050.00221.95
8.1.150.0040.00418.80
8.1.140.0030.00617.28
8.1.130.0000.00717.60
8.1.120.0040.00417.38
8.1.110.0070.00017.29
8.1.100.0040.00417.31
8.1.90.0000.00717.43
8.1.80.0000.00917.32
8.1.70.0050.00217.41
8.1.60.0000.00817.50
8.1.50.0000.00817.39
8.1.40.0000.00817.37
8.1.30.0060.00317.52
8.1.20.0050.00317.64
8.1.10.0040.00417.49
8.1.00.0000.00817.44
8.0.300.0060.00318.77
8.0.290.0000.00816.63
8.0.280.0000.00818.42
8.0.270.0040.00417.27
8.0.260.0040.00417.22
8.0.250.0000.00716.84
8.0.240.0070.00316.97
8.0.230.0040.00416.93
8.0.220.0080.00016.90
8.0.210.0000.00816.87
8.0.200.0090.00016.98
8.0.190.0080.00016.86
8.0.180.0080.00416.93
8.0.170.0080.00016.91
8.0.160.0000.00816.84
8.0.150.0040.00416.73
8.0.140.0000.00716.78
8.0.130.0000.00513.34
8.0.120.0000.00816.92
8.0.110.0080.00016.86
8.0.100.0000.00716.92
8.0.90.0080.00016.87
8.0.80.0030.01216.91
8.0.70.0040.00417.06
8.0.60.0070.00016.98
8.0.50.0040.00417.03
8.0.30.0080.01017.03
8.0.20.0100.01017.40
8.0.10.0000.00717.01
8.0.00.0090.01116.81
7.4.330.0020.00215.08
7.4.320.0000.00616.44
7.4.300.0060.00016.60
7.4.290.0030.00316.51
7.4.280.0030.00516.41
7.4.270.0030.00316.44
7.4.260.0000.00616.43
7.4.250.0000.00816.34
7.4.240.0050.00316.50
7.4.230.0070.00016.27
7.4.220.0070.01116.41
7.4.210.0110.00516.48
7.4.200.0030.00316.48
7.4.160.0090.00916.51
7.4.150.0120.00617.40
7.4.140.0110.00917.86
7.4.130.0080.01116.42
7.4.120.0150.00616.45
7.4.110.0170.00016.51
7.4.100.0130.01016.46
7.4.90.0000.01816.53
7.4.80.0030.01419.39
7.4.70.0080.00816.57
7.4.60.0000.01716.46
7.4.50.0000.00616.46
7.4.40.0090.00616.52
7.4.30.0120.01016.66
7.4.10.0030.01315.09
7.4.00.0080.01014.89
7.3.330.0050.00013.11
7.3.320.0060.00013.09
7.3.310.0030.00316.41
7.3.300.0000.00716.33
7.3.290.0090.00716.25
7.3.280.0080.01016.30
7.3.270.0090.00917.40
7.3.260.0090.00916.55
7.3.250.0120.00616.36
7.3.240.0140.00716.36
7.3.230.0140.01216.39
7.3.210.0100.00716.57
7.3.200.0090.01216.57
7.3.190.0140.00716.18
7.3.180.0190.00616.41
7.3.170.0040.01216.32
7.3.160.0180.00316.48
7.3.130.0040.01414.41
7.3.120.0030.01414.82
7.3.110.0130.00714.63
7.3.100.0070.00714.40
7.3.90.0030.01014.91
7.3.80.0000.01214.58
7.3.70.0070.00714.61
7.3.60.0070.00714.52
7.3.50.0030.01014.44
7.3.40.0100.00314.46
7.3.30.0030.00614.77
7.3.20.0040.01116.69
7.3.10.0070.00716.54
7.3.00.0070.00416.46
7.2.330.0100.01016.66
7.2.320.0160.00016.65
7.2.310.0140.00416.58
7.2.300.0130.00716.54
7.2.290.0160.00716.43
7.2.260.0130.00314.92
7.2.250.0100.00714.73
7.2.240.0100.00315.22
7.2.230.0150.00315.25
7.2.220.0070.00714.85
7.2.210.0000.00915.13
7.2.200.0110.00415.12
7.2.190.0030.00614.94
7.2.180.0060.00315.22
7.2.170.0030.01014.96
7.2.160.0030.01014.70
7.2.150.0060.00916.77
7.2.140.0030.00916.82
7.2.130.0080.00417.00
7.2.120.0110.00716.92
7.2.110.0110.00716.81
7.2.100.0030.01316.93
7.2.90.0040.01116.94
7.2.80.0100.00616.86
7.2.70.0070.01016.88
7.2.60.0070.00516.81
7.2.50.0000.01416.77
7.2.40.0090.00916.96
7.2.30.0150.00016.89
7.2.20.0040.00716.94
7.2.10.0090.00616.62
7.2.00.0070.00518.32
7.1.330.0030.01015.74
7.1.320.0030.00715.74
7.1.310.0030.00615.73
7.1.300.0070.00315.92
7.1.290.0000.01215.64
7.1.280.0040.01115.71
7.1.270.0040.00715.72
7.1.260.0000.01615.77
7.1.250.0030.01015.73
7.1.240.0060.00915.41
7.1.230.0000.01515.81
7.1.220.0040.01115.52
7.1.210.0060.00615.70
7.1.200.0080.00415.62
7.1.190.0030.01315.82
7.1.180.0080.00815.77
7.1.170.0090.00315.55
7.1.160.0070.00715.67
7.1.150.0070.00415.65
7.1.140.0090.00915.61
7.1.130.0090.00615.62
7.1.120.0060.00615.80
7.1.110.0040.01115.90
7.1.100.0030.01017.01
7.1.90.0070.01015.57
7.1.80.0060.00615.63
7.1.70.0060.00416.37
7.1.60.0020.01117.37
7.1.50.0050.01416.33
7.1.40.0060.00615.59
7.1.30.0000.00815.69
7.1.20.0070.00415.82
7.1.10.0030.01015.73
7.1.00.0050.04419.19
7.0.330.0040.01115.34
7.0.320.0070.01015.34
7.0.310.0000.01315.38
7.0.300.0130.00315.33
7.0.290.0040.00815.06
7.0.280.0030.01015.09
7.0.270.0000.01515.37
7.0.260.0030.00915.38
7.0.250.0000.01015.44
7.0.240.0110.00015.33
7.0.230.0040.00815.38
7.0.220.0080.00415.50
7.0.210.0040.01115.38
7.0.200.0040.00415.88
7.0.190.0000.01115.24
7.0.180.0040.01115.34
7.0.170.0060.01315.58
7.0.160.0080.00415.35
7.0.150.0030.01115.38
7.0.140.0070.00715.46
7.0.130.0080.00315.20
7.0.120.0060.00315.47
7.0.110.0070.00715.43
7.0.100.0090.00915.37
7.0.90.0130.00315.51
7.0.80.0000.00815.32
7.0.70.0090.00615.30
7.0.60.0050.04017.60
7.0.50.0040.03116.54
7.0.40.0080.03016.73
7.0.30.0250.04516.76
7.0.20.0180.04516.63
7.0.10.0070.03216.78
7.0.00.0080.03616.67
5.6.400.0070.00714.24
5.6.390.0060.00814.23
5.6.380.0090.00614.23
5.6.370.0070.00713.99
5.6.360.0060.01014.21
5.6.350.0100.00314.39
5.6.340.0040.01114.46
5.6.330.0030.01014.27
5.6.320.0000.01414.56
5.6.310.0060.00314.39
5.6.300.0100.00714.47
5.6.290.0090.00614.05
5.6.280.0080.03517.75
5.6.270.0000.01214.36
5.6.260.0110.00414.41
5.6.250.0060.00914.34
5.6.240.0000.01614.58
5.6.230.0000.01114.35
5.6.220.0040.00814.23
5.6.210.0100.03817.46
5.6.200.0050.03516.24
5.6.190.0080.04617.26
5.6.180.0130.02517.35
5.6.170.0160.02417.14
5.6.160.0070.04317.39
5.6.150.0030.04716.04
5.6.140.0030.02516.26
5.6.130.0030.02716.26
5.6.120.0070.05017.64
5.6.110.0090.03017.66
5.6.100.0100.03317.66
5.6.90.0020.03317.51
5.6.80.0090.04417.34
5.6.70.2290.02317.42
5.6.60.0030.00914.41
5.6.50.0030.00614.05
5.6.40.0040.01014.45
5.6.30.0030.00614.10
5.6.20.0070.01014.30
5.6.10.0030.01514.10
5.6.00.0070.00314.03
5.5.380.0030.01414.23
5.5.370.0060.00314.28
5.5.360.0070.01014.23
5.5.350.0080.04117.25
5.5.340.0070.04016.03
5.5.330.0020.04017.33
5.5.320.0130.02517.27
5.5.310.0150.02717.23
5.5.300.0050.04616.14
5.5.290.0020.02815.96
5.5.280.0050.02617.42
5.5.270.0080.04017.27
5.5.260.0000.04217.38
5.5.250.0100.03817.22
5.5.240.0030.02517.23
5.5.230.0100.00013.80
5.5.220.0000.01414.17
5.5.210.0000.01114.09
5.5.200.0070.00314.13
5.5.190.0040.01114.06
5.5.180.0030.01314.13
5.5.170.0050.00513.95
5.5.160.0090.00614.21
5.5.150.0080.00314.03
5.5.140.0100.00314.20
5.5.130.0040.00914.26
5.5.120.0060.00613.89
5.5.110.0050.00514.17
5.5.100.0000.01414.32
5.5.90.0100.00314.25
5.5.80.0090.00713.95
5.5.70.0030.01014.20
5.5.60.0030.00913.88
5.5.50.0120.00013.85
5.5.40.0040.01113.92
5.5.30.0070.01014.08
5.5.20.0140.00013.92
5.5.10.0030.00614.08
5.5.00.0030.00914.11
5.4.450.0380.03115.11
5.4.440.0450.02515.18
5.4.430.0350.03215.35
5.4.420.0370.03314.99
5.4.410.0370.03215.09
5.4.400.0380.02815.09
5.4.390.0420.02515.04
5.4.380.0430.02514.81
5.4.370.0330.03014.73
5.4.360.0430.02814.92
5.4.350.0320.02914.89
5.4.340.0490.02414.87
5.4.330.0000.00911.05
5.4.320.0420.02714.97
5.4.310.0380.03215.12
5.4.300.0460.02515.07
5.4.290.0450.02515.14
5.4.280.0500.02015.06
5.4.270.0420.02814.88
5.4.260.0320.03514.92
5.4.250.0380.03814.82
5.4.240.0430.03014.99
5.4.230.0420.02714.90
5.4.220.0500.03015.02
5.4.210.0370.03914.88
5.4.200.0370.03415.01
5.4.190.0500.02715.03
5.4.180.0500.02514.83
5.4.170.0420.03015.04
5.4.160.0450.03514.99
5.4.150.0420.03214.95
5.4.140.0500.02513.44
5.4.130.0380.02313.75
5.4.120.0490.03013.58
5.4.110.0440.02713.66
5.4.100.0410.02613.76
5.4.90.0470.02313.60
5.4.80.0440.02413.70
5.4.70.0150.03713.66
5.4.60.0170.02313.65
5.4.50.0000.02113.61
5.4.40.0050.02513.77
5.4.30.0070.03713.56
5.4.20.0000.02913.56
5.4.10.0040.00410.98
5.4.00.0080.00511.09

preferences:
45.29 ms | 401 KiB | 5 Q