3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo { class false {} } namespace bar { use foo\false; $a = new false(); var_dump($a === false); }

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)
5.6.280.0030.07321.09
5.6.250.0100.06020.59
5.6.240.0130.07020.48
5.6.230.0130.07020.71
5.6.220.0000.09320.54
5.6.210.0100.07320.68
5.6.200.0070.06320.95
5.6.190.0100.07721.02
5.6.180.0000.08720.98
5.6.170.0000.09320.93
5.6.160.0100.07720.95
5.6.150.0070.08321.19
5.6.140.0100.07721.09
5.6.130.0070.08721.08
5.6.120.0100.08321.21
5.6.110.0100.07321.21
5.6.100.0000.08321.10
5.6.90.0100.07720.96
5.6.80.0070.07720.52
5.6.70.0030.08720.49
5.6.60.0030.07720.39
5.6.50.0100.06720.53
5.6.40.0100.07020.30
5.6.30.0130.07720.63
5.6.20.0100.07320.31
5.6.10.0170.06720.49
5.6.00.0070.08320.61
5.5.380.0070.08020.41
5.5.370.0100.06320.41
5.5.360.0070.07720.35
5.5.350.0170.03320.48
5.5.340.0100.07720.78
5.5.330.0070.08020.81
5.5.320.0130.07020.84
5.5.310.0130.07720.90
5.5.300.0230.07020.95
5.5.290.0130.06320.90
5.5.280.0100.07720.98
5.5.270.0100.08320.89
5.5.260.0100.08020.68
5.5.250.0070.08020.80
5.5.240.0100.07320.35
5.5.230.0070.08320.24
5.5.220.0130.06720.06
5.5.210.0100.07720.29
5.5.200.0100.05320.30
5.5.190.0030.08320.16
5.5.180.0100.08020.24
5.5.160.0130.06720.25
5.5.150.0070.07020.15
5.5.140.0100.07720.38
5.5.130.0070.08020.23
5.5.120.0100.07320.18
5.5.110.0000.05320.32
5.5.100.0070.06320.09
5.5.90.0070.08720.14
5.5.80.0070.07720.20
5.5.70.0070.04320.27
5.5.60.0030.08020.20
5.5.50.0070.06019.99
5.5.40.0070.04020.06
5.5.30.0130.05720.02
5.5.20.0100.07020.09
5.5.10.0070.06720.24
5.5.00.0070.08019.99
5.4.450.0070.07719.55
5.4.440.0170.07319.51
5.4.430.0030.08019.50
5.4.420.0000.07319.57
5.4.410.0100.04319.53
5.4.400.0030.08319.14
5.4.390.0000.08019.09
5.4.380.0070.07719.17
5.4.370.0170.05319.14
5.4.360.0100.07019.03
5.4.350.0100.07319.34
5.4.340.0070.08019.01
5.4.320.0000.05319.14
5.4.310.0130.04019.00
5.4.300.0130.07019.03
5.4.290.0100.05719.22
5.4.280.0100.07719.33
5.4.270.0170.06319.36
5.4.260.0100.04319.00
5.4.250.0100.06319.16
5.4.240.0070.07319.16
5.4.230.0130.04019.00
5.4.220.0230.06319.00
5.4.210.0030.07019.30
5.4.200.0070.03719.00
5.4.190.0130.07019.02
5.4.180.0070.07319.13
5.4.170.0030.08318.97
5.4.160.0030.08019.21
5.4.150.0070.07019.01
5.4.140.0100.06716.53
5.4.130.0000.07716.58
5.4.120.0170.05716.46
5.4.110.0100.06716.27
5.4.100.0030.06316.41
5.4.90.0030.07316.36
5.4.80.0100.07316.54
5.4.70.0030.05016.39
5.4.60.0030.07716.38
5.4.50.0030.05716.57
5.4.40.0170.06316.43
5.4.30.0100.06716.47
5.4.20.0030.08016.43
5.4.10.0030.07316.62
5.4.00.0100.07016.00
5.3.290.0030.07014.67
5.3.280.0100.06714.59
5.3.270.0130.06014.74
5.3.260.0070.07314.82
5.3.250.0030.08014.60
5.3.240.0070.04314.59
5.3.230.0130.07314.67
5.3.220.0170.06314.52
5.3.210.0100.07014.51
5.3.200.0070.07314.64
5.3.190.0100.07014.64
5.3.180.0070.07314.53
5.3.170.0070.07314.57
5.3.160.0070.08014.68
5.3.150.0100.06014.54
5.3.140.0130.06314.77
5.3.130.0070.08014.63
5.3.120.0030.07014.51
5.3.110.0070.07314.53
5.3.100.0100.07314.26
5.3.90.0100.07314.09
5.3.80.0030.06014.14
5.3.70.0100.07013.96
5.3.60.0000.07014.03
5.3.50.0130.06713.89
5.3.40.0030.05713.92
5.3.30.0070.07013.93
5.3.20.0100.06713.70
5.3.10.0130.05713.66
5.3.00.0030.07713.69
5.2.170.0000.07011.10
5.2.160.0070.05011.15
5.2.150.0070.06011.04
5.2.140.0070.05711.15
5.2.130.0030.06310.89
5.2.120.0100.05010.88
5.2.110.0030.03711.02
5.2.100.0100.05011.17
5.2.90.0100.05310.99
5.2.80.0030.04010.99
5.2.70.0070.05711.04
5.2.60.0030.04711.10
5.2.50.0030.05710.80
5.2.40.0030.05710.91
5.2.30.0070.05010.89
5.2.20.0070.03011.02
5.2.10.0030.05310.88
5.2.00.0030.05710.81
5.1.60.0100.0439.93
5.1.50.0100.04710.23
5.1.40.0070.04710.01
5.1.30.0030.05710.24
5.1.20.0100.05010.31
5.1.10.0100.04710.32
5.1.00.0030.03310.08
5.0.50.0070.0309.49
5.0.40.0000.0479.49
5.0.30.0070.0409.49
5.0.20.0030.0439.49
5.0.10.0030.0339.49
5.0.00.0030.0539.49
4.4.90.0030.0339.49
4.4.80.0030.0309.49
4.4.70.0030.0339.49
4.4.60.0100.0279.49
4.4.50.0070.0309.49
4.4.40.0030.0509.49
4.4.30.0030.0339.49
4.4.20.0030.0339.49
4.4.10.0070.0309.49
4.4.00.0070.0509.49
4.3.110.0030.0309.49
4.3.100.0030.0139.49
4.3.90.0000.0179.49
4.3.80.0000.0509.49
4.3.70.0000.0339.49
4.3.60.0000.0379.49
4.3.50.0000.0309.49
4.3.40.0000.0479.49
4.3.30.0070.0309.49
4.3.20.0070.0279.49
4.3.10.0100.0309.49
4.3.00.0030.0339.49

preferences:
142.76 ms | 1394 KiB | 7 Q