3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = "/\0not_exists"; print(file_exists($f) ? "EXISTS" : "NOT EXISTS");

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)
8.3.60.0070.01118.28
8.3.50.0090.00922.78
8.3.40.0120.00618.38
8.3.30.0100.00318.79
8.3.20.0050.00220.24
8.3.10.0000.00721.63
8.3.00.0080.00019.56
8.2.180.0130.01018.39
8.2.170.0090.00622.96
8.2.160.0030.01020.47
8.2.150.0060.00324.18
8.2.140.0120.00324.66
8.2.130.0050.00326.16
8.2.120.0050.00319.25
8.2.110.0030.00719.39
8.2.100.0110.00017.78
8.2.90.0080.00019.17
8.2.80.0090.00018.04
8.2.70.0070.00317.50
8.2.60.0030.00518.04
8.2.50.0000.00818.07
8.2.40.0080.00018.09
8.2.30.0000.00719.47
8.2.20.0040.00417.68
8.2.10.0040.00417.97
8.2.00.0000.00717.66
8.1.280.0150.00625.92
8.1.270.0000.00823.96
8.1.260.0030.00626.35
8.1.250.0030.00528.09
8.1.240.0070.00322.59
8.1.230.0080.00520.85
8.1.220.0000.00818.77
8.1.210.0030.00519.10
8.1.200.0000.00817.23
8.1.190.0040.00417.39
8.1.180.0100.00318.10
8.1.170.0000.00818.66
8.1.160.0040.00418.85
8.1.150.0070.00018.86
8.1.140.0000.00717.28
8.1.130.0030.00317.68
8.1.120.0000.00917.39
8.1.110.0000.00717.29
8.1.100.0000.00717.37
8.1.90.0070.00017.30
8.1.80.0040.00417.24
8.1.70.0030.00317.31
8.1.60.0040.00417.50
8.1.50.0000.00817.40
8.1.40.0000.00717.40
8.1.30.0080.00017.60
8.1.20.0040.00417.61
8.1.10.0000.00717.39
8.1.00.0040.00417.32
8.0.300.0070.00019.88
8.0.290.0000.00717.18
8.0.280.0000.00818.47
8.0.270.0040.00417.24
8.0.260.0000.00617.17
8.0.250.0000.00716.84
8.0.240.0030.00316.94
8.0.230.0040.00416.86
8.0.220.0000.00716.77
8.0.210.0080.00016.80
8.0.200.0000.00816.89
8.0.190.0030.00316.77
8.0.180.0070.00016.83
8.0.170.0050.00216.69
8.0.160.0000.00716.79
8.0.150.0070.00016.86
8.0.140.0000.00716.77
8.0.130.0030.00513.25
8.0.120.0040.00416.75
8.0.110.0070.00016.64
8.0.100.0050.00316.61
8.0.90.0030.00316.67
8.0.80.0060.00816.93
8.0.70.0050.00216.82
8.0.60.0030.00516.87
8.0.50.0000.00716.82
8.0.30.0070.01017.08
8.0.20.0050.01417.40
8.0.10.0000.00816.96
8.0.00.0110.00716.72
7.4.330.0050.00015.09
7.4.320.0000.00616.55
7.4.300.0000.00616.41
7.4.290.0000.00816.38
7.4.280.0000.00716.52
7.4.270.0030.00316.51
7.4.260.0000.00716.47
7.4.250.0070.00016.41
7.4.240.0030.00316.54
7.4.230.0070.00016.27
7.4.220.0100.01016.35
7.4.210.0090.00616.55
7.4.200.0030.00316.54
7.4.160.0030.01316.40
7.4.150.0070.01017.40
7.4.140.0100.00817.86
7.4.130.0140.00716.49
7.4.120.0080.00816.41
7.4.110.0150.00916.41
7.4.100.0140.00916.52
7.4.90.0030.01316.23
7.4.80.0120.00919.39
7.4.70.0030.01516.36
7.4.60.0090.00916.20
7.4.50.0030.00616.54
7.4.40.0060.00916.63
7.4.30.0160.00016.45
7.4.00.0000.01714.99
7.3.330.0000.00712.95
7.3.320.0030.00313.09
7.3.310.0030.00316.14
7.3.300.0070.00016.17
7.3.290.0130.00516.22
7.3.280.0120.00716.17
7.3.270.0110.00617.40
7.3.260.0060.01116.23
7.3.250.0030.01316.36
7.3.240.0110.00416.52
7.3.230.0090.00616.41
7.3.210.0110.00716.39
7.3.200.0070.01419.39
7.3.190.0090.01516.42
7.3.180.0030.01316.44
7.3.170.0150.00616.27
7.3.160.0030.01316.21
7.2.330.0090.01316.46
7.2.320.0110.01116.28
7.2.310.0070.01016.21
7.2.300.0030.01316.59
7.2.290.0130.00416.34
7.2.80.0070.00716.49
7.2.60.0000.01516.83
7.2.00.0040.01119.20
7.1.200.0080.00415.69
7.1.100.0060.00617.68
7.1.70.0030.00517.25
7.1.60.0140.01119.34
7.1.50.0040.02116.73
7.1.00.0070.07322.25
7.0.200.0000.01016.62
7.0.140.0070.03722.00
7.0.60.0030.08719.99
7.0.50.0070.03717.90
7.0.40.0100.07320.21
7.0.30.0570.06720.13
7.0.20.0230.04020.04
7.0.10.0030.05320.18
7.0.00.0030.04319.99
5.6.280.0000.07721.11
5.6.210.0230.06320.50
5.6.200.0170.07318.08
5.6.190.0130.09020.63
5.6.180.0330.04720.61
5.6.170.0400.06720.69
5.6.160.0130.07320.37
5.6.150.0000.04318.17
5.6.140.0070.03718.11
5.6.130.0000.04318.09
5.6.120.0030.08020.90
5.6.110.0030.04021.02
5.6.100.0070.08721.00
5.6.90.0100.04320.97
5.6.80.0030.07020.36
5.5.350.0200.06020.39
5.5.340.0070.05017.91
5.5.330.0070.06320.22
5.5.320.0530.07020.34
5.5.310.0230.08020.32
5.5.300.0030.05017.92
5.5.290.0030.06717.99
5.5.280.0130.08320.96
5.5.270.0030.04320.62
5.5.260.0030.08720.96
5.5.250.0130.06720.57
5.5.240.0200.08020.18
5.4.450.0330.04019.42
5.4.440.0270.04719.10
5.4.430.0200.04719.39
5.4.420.0100.05319.27
5.4.410.0100.05718.72
5.4.400.0070.06018.69
5.4.390.0070.07718.72
5.4.380.0100.06018.57
5.4.370.0200.05018.58
5.4.360.0130.05018.46
5.4.350.0030.03713.65
5.4.340.0070.03313.71
5.4.320.0170.03014.13
5.4.310.0130.05014.20
5.4.300.0100.04714.31
5.4.290.0070.04014.30
5.4.280.0030.04014.08
5.4.270.0030.04314.05
5.4.260.0070.03714.09
5.4.250.0070.04014.07
5.4.240.0100.03314.06
5.4.230.0070.03714.01
5.4.220.0030.04014.09
5.4.210.0100.03014.09
5.4.200.0000.04314.04
5.4.190.0130.03014.17
5.4.180.0070.03714.08
5.4.170.0030.04014.09
5.4.160.0030.04014.03
5.4.150.0070.03714.02
5.4.140.0000.05713.72
5.4.130.0130.03713.77
5.4.120.0100.04313.64
5.4.110.0030.03713.77
5.4.100.0130.03013.64
5.4.90.0070.04013.65
5.4.80.0100.03713.72
5.4.70.0100.03313.64
5.4.60.0070.03313.70
5.4.50.0070.03313.71
5.4.40.0070.04013.86
5.4.30.0170.03013.70
5.4.20.0130.03713.66
5.4.10.0030.04013.62
5.4.00.0100.03713.11
5.3.290.0100.04014.63
5.3.280.0130.04014.63
5.3.270.0130.05314.49
5.3.260.0100.04014.54
5.3.250.0170.03314.49
5.3.240.0100.04014.49
5.3.230.0100.04014.63
5.3.220.0170.03014.61
5.3.210.0100.04014.41
5.3.200.0070.05014.43
5.3.190.0070.04014.41
5.3.180.0030.04314.61
5.3.170.0130.03314.47
5.3.160.0130.03314.52
5.3.150.0130.03314.41
5.3.140.0170.03314.45
5.3.130.0170.04014.54
5.3.120.0170.04314.46
5.3.110.0330.02714.57
5.3.100.0100.04014.05
5.3.90.0100.03714.05
5.3.80.0030.04714.05
5.3.70.0070.04713.95
5.3.60.0200.04013.89
5.3.50.0130.04313.98
5.3.40.0100.04713.93
5.3.30.0100.03713.82
5.3.20.0170.03313.62
5.3.10.0130.03313.69
5.3.00.0070.04013.48
5.2.170.0070.03011.05
5.2.160.0070.03011.21
5.2.150.0100.02711.09
5.2.140.0070.03011.25
5.2.130.0130.04311.10
5.2.120.0100.04011.00
5.2.110.0100.02711.10
5.2.100.0070.03011.05
5.2.90.0100.02710.96
5.2.80.0070.03011.02
5.2.70.0030.03310.99
5.2.60.0030.04310.91
5.2.50.0130.03711.02
5.2.40.0130.04010.96
5.2.30.0070.04310.97
5.2.20.0170.02310.80
5.2.10.0070.02710.83
5.2.00.0100.02710.66
5.1.60.0000.03010.06
5.1.50.0070.0239.96
5.1.40.0070.0239.91
5.1.30.0030.03010.36
5.1.20.0000.03710.31
5.1.10.0030.0309.98
5.1.00.0030.02710.16
5.0.50.0030.0208.51
5.0.40.0030.0208.36
5.0.30.0000.0378.22
5.0.20.0100.0178.18
5.0.10.0000.0238.23
5.0.00.0070.0338.33
4.4.90.0000.0205.93
4.4.80.0000.0235.92
4.4.70.0000.0275.84
4.4.60.0000.0205.79
4.4.50.0030.0175.87
4.4.40.0030.0305.81
4.4.30.0070.0135.82
4.4.20.0070.0135.90
4.4.10.0030.0175.86
4.4.00.0030.0275.82
4.3.110.0030.0135.78
4.3.100.0030.0135.86
4.3.90.0000.0175.75
4.3.80.0000.0275.82
4.3.70.0030.0175.73
4.3.60.0030.0135.75
4.3.50.0000.0175.70
4.3.40.0000.0275.85
4.3.30.0000.0174.55
4.3.20.0070.0134.49
4.3.10.0000.0174.51
4.3.00.0030.01716.65

preferences:
39.17 ms | 401 KiB | 5 Q