3v4l.org

run code in 300+ PHP versions simultaneously
<?php $filename = '\somefile.txt'; if (file_exists($filename)) { echo "ciao";} else echo "il file non esiste"; ?>

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)
8.3.40.0120.00320.48
8.3.30.0040.01119.09
8.3.20.0040.00420.35
8.3.10.0030.00621.85
8.3.00.0000.00819.68
8.2.170.0160.00322.96
8.2.160.0100.00720.39
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00020.92
8.2.110.0030.00620.52
8.2.100.0160.00017.72
8.2.90.0030.00519.18
8.2.80.0060.00317.97
8.2.70.0000.00917.50
8.2.60.0030.00617.80
8.2.50.0050.00518.07
8.2.40.0040.00419.82
8.2.30.0040.00417.98
8.2.20.0000.00717.71
8.2.10.0050.00218.01
8.2.00.0030.00617.63
8.1.270.0090.00023.91
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.82
8.1.230.0070.00319.00
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0080.00018.56
8.1.160.0000.00721.99
8.1.150.0000.00718.71
8.1.140.0000.00717.41
8.1.130.0000.00717.76
8.1.120.0000.00717.37
8.1.110.0040.00417.36
8.1.100.0040.00417.32
8.1.90.0040.00317.46
8.1.80.0050.00317.40
8.1.70.0030.00317.36
8.1.60.0030.00617.43
8.1.50.0030.00617.43
8.1.40.0070.00017.36
8.1.30.0030.00617.49
8.1.20.0050.00317.52
8.1.10.0040.00417.38
8.1.00.0020.00517.37
8.0.300.0020.00518.77
8.0.290.0080.00016.75
8.0.280.0030.00318.41
8.0.270.0020.00517.21
8.0.260.0000.00617.28
8.0.250.0040.00416.97
8.0.240.0040.00416.96
8.0.230.0000.00717.02
8.0.220.0070.00016.92
8.0.210.0050.00316.85
8.0.200.0070.00016.84
8.0.190.0000.00816.92
8.0.180.0000.00716.95
8.0.170.0050.00316.87
8.0.160.0000.00716.93
8.0.150.0040.00416.81
8.0.140.0070.00016.80
8.0.130.0000.00713.19
8.0.120.0000.00816.81
8.0.110.0040.00416.86
8.0.100.0040.00416.97
8.0.90.0000.00816.77
8.0.80.0170.00416.90
8.0.70.0070.00016.82
8.0.60.0040.00417.04
8.0.50.0000.00717.02
8.0.30.0070.01317.12
8.0.20.0130.00917.42
8.0.10.0040.00416.87
8.0.00.0160.00316.76
7.4.330.0050.00015.05
7.4.320.0060.00016.57
7.4.300.0000.00616.41
7.4.290.0040.00416.46
7.4.280.0040.00416.59
7.4.270.0000.00816.57
7.4.260.0060.00316.53
7.4.250.0000.00716.37
7.4.240.0030.00316.49
7.4.230.0040.00416.56
7.4.220.0090.00916.52
7.4.210.0060.00916.56
7.4.200.0080.00016.35
7.4.160.0110.00416.63
7.4.150.0110.00717.40
7.4.140.0000.01717.86
7.4.130.0120.00716.63
7.4.120.0080.01016.38
7.4.110.0140.00916.47
7.4.100.0180.00016.48
7.4.90.0100.00716.38
7.4.80.0120.00619.39
7.4.70.0110.01416.50
7.4.60.0110.00516.50
7.4.50.0000.00816.30
7.4.40.0110.00816.40
7.4.30.0050.01016.58
7.4.00.0040.01415.14
7.3.330.0000.00513.13
7.3.320.0050.00012.88
7.3.310.0030.00316.18
7.3.300.0030.00316.21
7.3.290.0070.00716.30
7.3.280.0090.00816.21
7.3.270.0140.00317.40
7.3.260.0150.01116.32
7.3.250.0080.00816.34
7.3.240.0070.01116.36
7.3.230.0100.00716.39
7.3.210.0100.00716.50
7.3.200.0030.01719.39
7.3.190.0000.01916.29
7.3.180.0060.01116.41
7.3.170.0090.00916.32
7.3.160.0090.00616.52
7.3.120.0040.01414.80
7.2.330.0030.01316.27
7.2.320.0030.01316.56
7.2.310.0030.01416.43
7.2.300.0090.01216.17
7.2.290.0080.00816.54
7.2.00.0000.01319.24
7.1.100.0030.01017.94
7.1.70.0050.00517.24
7.1.60.0100.01419.25
7.1.50.0040.00716.84
7.1.00.0070.07022.45
7.0.200.0060.00316.71
7.0.140.0030.07321.95
7.0.110.0230.06320.07
7.0.100.0100.08719.93
7.0.90.0130.08020.03
7.0.80.0130.08719.93
7.0.70.0200.05020.06
7.0.60.0030.06720.03
7.0.50.0130.07720.23
7.0.40.0200.09020.03
7.0.30.0130.07720.03
7.0.20.0130.07020.07
7.0.10.0100.08020.15
7.0.00.0030.05720.24
5.6.280.0100.06320.82
5.6.250.0070.04320.65
5.6.240.0030.08020.55
5.6.230.0100.06720.63
5.6.220.0100.08320.66
5.6.210.0070.08720.56
5.6.200.0100.07021.19
5.6.190.0030.05020.97
5.6.180.0230.05721.11
5.6.170.0000.09721.02
5.6.160.0100.07321.07
5.6.150.0030.05721.04
5.6.140.0070.08021.18
5.6.130.0170.07321.21
5.6.120.0130.07721.21
5.6.110.0170.06721.25
5.6.100.0070.08321.11
5.6.90.0130.04321.11
5.6.80.0030.05020.47
5.6.70.0030.08720.65
5.6.60.0030.04020.34
5.6.50.0030.08320.47
5.6.40.0200.07020.34
5.6.30.0130.07720.50
5.6.20.0070.05020.61
5.6.10.0070.05720.33
5.6.00.0130.06720.40
5.5.380.0030.08720.54
5.5.370.0170.07020.24
5.5.360.0100.04320.45
5.5.350.0100.07020.48
5.5.340.0070.07320.74
5.5.330.0070.04020.69
5.5.320.0000.06720.89
5.5.310.0130.06020.80
5.5.300.0070.08320.96
5.5.290.0070.06720.68
5.5.280.0030.08020.80
5.5.270.0070.08720.87
5.5.260.0070.07320.79
5.5.250.0100.07020.84
5.5.240.0000.08020.07
5.5.230.0100.07320.07
5.5.220.0030.06320.25
5.5.210.0100.07020.38
5.5.200.0170.03720.21
5.5.190.0100.07320.32
5.5.180.0130.07320.24
5.5.160.0130.07020.18
5.5.150.0030.06320.14
5.5.140.0100.06320.23
5.5.130.0130.07320.38
5.5.120.0100.06720.04
5.5.110.0100.04720.11
5.5.100.0170.07020.25
5.5.90.0200.06020.13
5.5.80.0100.07319.96
5.5.70.0000.08320.21
5.5.60.0170.06720.21
5.5.50.0170.07020.18
5.5.40.0170.06320.20
5.5.30.0170.06720.02
5.5.20.0070.08020.08
5.5.10.0070.04320.16
5.5.00.0100.08020.18
5.4.450.0100.07319.42
5.4.440.0070.08019.33
5.4.430.0030.07719.42
5.4.420.0100.07019.30
5.4.410.0100.05719.30
5.4.400.0030.08319.11
5.4.390.0000.05718.98
5.4.380.0230.03019.02
5.4.370.0170.03719.12
5.4.360.0000.09719.08
5.4.350.0030.07318.95
5.4.340.0100.07319.12
5.4.320.0000.06019.11
5.4.310.0030.08319.10
5.4.300.0100.07019.27
5.4.290.0130.06719.11
5.4.280.0070.07719.17
5.4.270.0030.07719.17
5.4.260.0200.06019.11
5.4.250.0070.04319.16
5.4.240.0200.05719.17
5.4.230.0130.06018.94
5.4.220.0130.07018.94
5.4.210.0100.07319.04
5.4.200.0070.05719.15
5.4.190.0130.06719.26
5.4.180.0070.07318.94
5.4.170.0100.07319.00
5.4.160.0200.06318.95
5.4.150.0070.08319.14
5.4.140.0070.07716.48
5.4.130.0030.07316.46
5.4.120.0100.05716.48
5.4.110.0130.06716.23
5.4.100.0070.06016.28
5.4.90.0170.05716.30
5.4.80.0130.03716.48
5.4.70.0130.06716.46
5.4.60.0070.07016.38
5.4.50.0130.06716.11
5.4.40.0070.07316.52
5.4.30.0130.07016.49
5.4.20.0170.06016.20
5.4.10.0100.07716.39
5.4.00.0100.06715.97
5.3.290.0030.08314.61
5.3.280.0000.05314.54
5.3.270.0100.07314.50
5.3.260.0000.08014.54
5.3.250.0070.07314.52
5.3.240.0130.03714.59
5.3.230.0070.06714.42
5.3.220.0070.07014.45
5.3.210.0070.07014.50
5.3.200.0070.07714.66
5.3.190.0100.06714.35
5.3.180.0130.07314.63
5.3.170.0000.08014.50
5.3.160.0100.06714.42
5.3.150.0030.07314.50
5.3.140.0100.07714.34
5.3.130.0030.08014.49
5.3.120.0100.07314.64
5.3.110.0100.06714.55
5.3.100.0100.06313.93
5.3.90.0070.07714.08
5.3.80.0200.06714.04
5.3.70.0170.06314.07
5.3.60.0100.07014.01
5.3.50.0130.06713.86
5.3.40.0000.08013.87
5.3.30.0100.06713.73
5.3.20.0070.04313.74
5.3.10.0000.08013.51
5.3.00.0100.07013.41
5.2.170.0070.03711.04
5.2.160.0030.06311.08
5.2.150.0070.06310.92
5.2.140.0070.06011.29
5.2.130.0070.06310.99
5.2.120.0030.06311.02
5.2.110.0100.05711.02
5.2.100.0030.05311.04
5.2.90.0070.06011.05
5.2.80.0100.03011.02
5.2.70.0070.04311.25
5.2.60.0030.06010.94
5.2.50.0030.06010.80
5.2.40.0000.06710.93
5.2.30.0000.04710.75
5.2.20.0130.05310.89
5.2.10.0000.06310.75
5.2.00.0070.03310.83
5.1.60.0030.05310.16
5.1.50.0030.0579.90
5.1.40.0100.0509.79
5.1.30.0070.05010.33
5.1.20.0100.05010.24
5.1.10.0030.0579.96
5.1.00.0030.05010.07
5.0.50.0030.0439.49
5.0.40.0000.0439.49
5.0.30.0100.0579.49
5.0.20.0000.0239.49
5.0.10.0070.0409.49
5.0.00.0030.0579.49
4.4.90.0130.0279.49
4.4.80.0030.0279.49
4.4.70.0000.0379.49
4.4.60.0030.0239.49
4.4.50.0030.0339.49
4.4.40.0030.0509.49
4.4.30.0030.0339.49
4.4.20.0000.0379.49
4.4.10.0030.0279.49
4.4.00.0000.0539.49
4.3.110.0000.0209.49
4.3.100.0030.0309.49
4.3.90.0000.0309.49
4.3.80.0000.0579.49
4.3.70.0030.0309.49
4.3.60.0000.0279.49
4.3.50.0070.0339.49
4.3.40.0030.0509.49
4.3.30.0030.0339.49
4.3.20.0030.0339.49
4.3.10.0030.0339.49
4.3.00.0070.0309.49

preferences:
44.35 ms | 400 KiB | 5 Q