3v4l.org

run code in 300+ PHP versions simultaneously
<?php class string {} return is_a("foo", 'string');

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)
5.6.280.0070.07021.09
5.6.250.0070.07720.52
5.6.240.0070.08320.63
5.6.230.0070.08320.75
5.6.220.0100.08020.64
5.6.210.0030.05720.55
5.6.200.0030.07721.17
5.6.190.0030.09021.07
5.6.180.0000.06321.03
5.6.170.0030.07721.03
5.6.160.0030.04721.07
5.6.150.0030.06020.96
5.6.140.0000.08021.08
5.6.130.0070.05020.95
5.6.120.0000.05321.08
5.6.110.0030.08321.00
5.6.100.0070.06321.03
5.6.90.0000.07320.92
5.6.80.0030.07020.55
5.6.70.0000.07720.42
5.6.60.0000.07720.38
5.6.50.0100.06320.55
5.6.40.0070.07020.52
5.6.30.0000.07720.38
5.6.20.0070.07020.29
5.6.10.0030.07320.40
5.6.00.0070.07320.34
5.5.380.0100.07320.39
5.5.370.0070.08020.49
5.5.360.0070.07720.45
5.5.350.0070.07720.46
5.5.340.0100.06720.83
5.5.330.0070.07320.91
5.5.320.0000.04720.88
5.5.310.0030.07720.76
5.5.300.0000.07020.63
5.5.290.0070.07020.76
5.5.280.0070.07720.60
5.5.270.0070.08020.58
5.5.260.0000.07720.77
5.5.250.0000.07720.71
5.5.240.0030.07320.31
5.5.230.0130.06020.16
5.5.220.0100.06720.01
5.5.210.0100.06720.11
5.5.200.0000.07720.27
5.5.190.0000.06720.17
5.5.180.0030.07720.26
5.5.160.0000.06720.28
5.5.150.0000.07320.23
5.5.140.0030.07020.23
5.5.130.0130.03320.18
5.5.120.0030.08320.18
5.5.110.0070.05320.17
5.5.100.0000.04020.11
5.5.90.0030.06020.16
5.5.80.0000.07019.95
5.5.70.0030.05720.16
5.5.60.0070.08020.11
5.5.50.0100.06720.10
5.5.40.0100.04020.05
5.5.30.0070.05320.10
5.5.20.0000.08319.93
5.5.10.0070.08020.03
5.5.00.0030.08019.92
5.4.450.0070.07019.49
5.4.440.0030.07719.38
5.4.430.0000.06019.46
5.4.420.0070.08019.41
5.4.410.0030.07719.25
5.4.400.0070.06719.13
5.4.390.0030.07019.13
5.4.380.0030.07318.86
5.4.370.0030.07318.85
5.4.360.0030.05719.03
5.4.350.0100.06719.14
5.4.340.0030.07719.15
5.4.320.0070.07718.97
5.4.310.0000.03719.13
5.4.300.0000.07319.14
5.4.290.0030.07318.95
5.4.280.0030.07719.02
5.4.270.0070.06719.04
5.4.260.0030.03719.09
5.4.250.0030.03319.04
5.4.240.0070.07319.07
5.4.230.0100.06718.89
5.4.220.0000.08018.84
5.4.210.0030.07319.03
5.4.200.0000.08318.84
5.4.190.0030.07019.03
5.4.180.0130.06718.84
5.4.170.0030.07719.04
5.4.160.0070.06018.85
5.4.150.0030.08019.10
5.4.140.0000.06716.41
5.4.130.0030.07016.32
5.4.120.0000.07316.40
5.4.110.0070.07316.45
5.4.100.0070.07016.35
5.4.90.0000.04716.32
5.4.80.0030.04316.32
5.4.70.0000.07016.48
5.4.60.0000.07716.46
5.4.50.0030.04716.41
5.4.40.0030.06716.39
5.4.30.0030.07016.36
5.4.20.0030.04016.33
5.4.10.0000.07716.36
5.4.00.0070.07315.78
5.3.290.0070.07714.61
5.3.280.0070.07714.70
5.3.270.0000.08014.57
5.3.260.0100.03714.73
5.3.250.0000.08014.58
5.3.240.0000.07314.61
5.3.230.0000.07714.65
5.3.220.0030.07314.59
5.3.210.0030.04314.65
5.3.200.0070.06314.57
5.3.190.0000.06714.49
5.3.180.0070.07014.54
5.3.170.0030.06714.48
5.3.160.0070.06014.64
5.3.150.0030.07014.52
5.3.140.0000.07314.50
5.3.130.0000.07314.60
5.3.120.0000.08014.66
5.3.110.0030.04314.52
5.3.100.0070.05013.96
5.3.90.0130.04014.06
5.3.80.0000.07314.02
5.3.70.0070.06713.99
5.3.60.0070.06714.10
5.3.50.0000.07713.83
5.3.40.0070.05314.05
5.3.30.0070.06713.96
5.3.20.0030.06313.71
5.3.10.0070.06713.71
5.3.00.0030.05013.53
5.2.170.0000.06711.25
5.2.160.0070.05011.24
5.2.150.0000.04011.12
5.2.140.0000.06711.04
5.2.130.0000.06311.07
5.2.120.0030.03311.12
5.2.110.0000.05010.99
5.2.100.0000.06311.19
5.2.90.0000.06311.12
5.2.80.0000.05711.10
5.2.70.0030.06311.07
5.2.60.0030.04711.07
5.2.50.0030.06011.07
5.2.40.0000.05311.00
5.2.30.0070.06010.82
5.2.20.0030.05711.04
5.2.10.0000.05010.87
5.2.00.0030.05710.84
5.1.60.0070.0479.97
5.1.50.0030.0509.82
5.1.40.0070.03710.03
5.1.30.0070.05310.36
5.1.20.0030.03010.35
5.1.10.0030.04310.14
5.1.00.0070.05310.14
5.0.50.0000.0409.06
5.0.40.0030.0439.06
5.0.30.0070.0579.06
5.0.20.0030.0409.06
5.0.10.0000.0439.06
5.0.00.0030.0609.06
4.4.90.0030.0309.06
4.4.80.0000.0309.06
4.4.70.0030.0309.06
4.4.60.0070.0309.06
4.4.50.0000.0379.06
4.4.40.0000.0509.06
4.4.30.0070.0309.06
4.4.20.0000.0379.06
4.4.10.0070.0309.06
4.4.00.0100.0439.06
4.3.110.0070.0309.06
4.3.100.0000.0279.06
4.3.90.0000.0339.06
4.3.80.0000.0539.06
4.3.70.0000.0339.06
4.3.60.0000.0339.06
4.3.50.0000.0379.06
4.3.40.0000.0539.06
4.3.30.0030.0239.06
4.3.20.0000.0379.06
4.3.10.0030.0339.06
4.3.00.0070.0279.06

preferences:
141.41 ms | 1386 KiB | 7 Q