3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { } class_alias('A', 'B'); $a = new A(); var_dump($a instanceof B);

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)
8.3.40.0060.01018.57
8.3.30.0100.00318.42
8.3.20.0080.00018.60
8.3.10.0080.00018.48
8.3.00.0060.00319.26
8.2.170.0060.01522.96
8.2.160.0130.00318.96
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.03
8.2.110.0030.00721.03
8.2.100.0000.01017.59
8.2.90.0040.00419.57
8.2.80.0040.00418.04
8.2.70.0080.00017.38
8.2.60.0040.00417.78
8.2.50.0000.00818.07
8.2.40.0040.00418.98
8.2.30.0040.00717.50
8.2.20.0060.00317.41
8.2.10.0050.00217.51
8.2.00.0040.00417.59
8.1.270.0000.00823.99
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0000.00920.83
8.1.230.0040.00719.10
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0090.00017.22
8.1.190.0000.00717.10
8.1.180.0040.00418.10
8.1.170.0000.00818.62
8.1.160.0080.00018.88
8.1.150.0050.00318.43
8.1.140.0040.00417.29
8.1.130.0000.00719.17
8.1.120.0030.00517.35
8.1.110.0000.00717.22
8.1.100.0040.00417.33
8.1.90.0000.00717.37
8.1.80.0000.00717.40
8.1.70.0030.00317.33
8.1.60.0040.00417.52
8.1.50.0080.00017.37
8.1.40.0040.00417.32
8.1.30.0040.00417.53
8.1.20.0080.00017.57
8.1.10.0040.00417.60
8.1.00.0080.00017.41
8.0.300.0040.00420.03
8.0.290.0040.00416.63
8.0.280.0000.00718.55
8.0.270.0030.00517.19
8.0.260.0000.00616.80
8.0.250.0080.00016.91
8.0.240.0000.00816.85
8.0.230.0000.00816.91
8.0.220.0070.00016.72
8.0.210.0000.00716.71
8.0.200.0040.00416.88
8.0.190.0030.00316.89
8.0.180.0070.00016.93
8.0.170.0000.00816.69
8.0.160.0030.00516.91
8.0.150.0000.00816.79
8.0.140.0000.00716.80
8.0.130.0000.00613.30
8.0.120.0000.00916.80
8.0.110.0040.00416.64
8.0.100.0000.00716.85
8.0.90.0040.00416.77
8.0.80.0120.00416.78
8.0.70.0040.00316.62
8.0.60.0040.00416.67
8.0.50.0030.00516.88
8.0.30.0110.00617.27
8.0.20.0050.01416.86
8.0.10.0040.00416.78
8.0.00.0140.00416.74
7.4.330.0020.00212.93
7.4.320.0030.00316.51
7.4.300.0030.00316.44
7.4.290.0030.00316.48
7.4.280.0040.00316.47
7.4.270.0030.00316.45
7.4.260.0050.00013.13
7.4.250.0040.00416.40
7.4.240.0020.00516.57
7.4.230.0030.00316.39
7.4.220.0100.01316.36
7.4.210.0040.01216.45
7.4.200.0070.00016.41
7.4.190.0050.00316.38
7.4.160.0080.01116.34
7.4.150.0130.00716.46
7.4.140.0160.00917.86
7.4.130.0190.00316.33
7.4.120.0090.00916.39
7.4.110.0150.00916.59
7.4.100.0130.00316.44
7.4.90.0170.00716.43
7.4.80.0100.01119.39
7.4.70.0110.00616.32
7.4.60.0090.00616.30
7.4.50.0040.00416.45
7.4.40.0030.01216.31
7.4.30.0100.00716.43
7.4.00.0090.00615.15
7.3.330.0070.00013.25
7.3.320.0050.00013.21
7.3.310.0030.00616.07
7.3.300.0030.00316.09
7.3.290.0090.00716.22
7.3.280.0120.00616.30
7.3.270.0030.01416.42
7.3.260.0120.00616.40
7.3.240.0100.01016.17
7.3.230.0100.00716.43
7.3.210.0110.00616.20
7.3.200.0030.01416.43
7.3.190.0040.01316.28
7.3.180.0090.00616.21
7.3.170.0170.00016.49
7.3.160.0090.00616.50
7.3.120.0030.01014.64
7.2.330.0090.00916.49
7.2.320.0180.00616.64
7.2.310.0030.01316.68
7.2.300.0060.00916.45
7.2.290.0120.00616.34
7.2.00.0070.01019.00
7.1.100.0030.01017.94
7.1.70.0050.00317.12
7.1.60.0100.01419.25
7.1.50.0030.01016.93
7.1.00.0000.03722.24
7.0.200.0040.00416.76
7.0.140.0070.06722.10
7.0.120.0100.06322.04
7.0.60.0070.04020.06
7.0.50.0070.08017.97
7.0.40.0130.06720.10
7.0.30.0230.03720.17
7.0.20.0200.05720.16
7.0.10.0130.08320.13
7.0.00.0130.08020.16
5.6.280.0000.10021.06
5.6.210.0070.05020.51
5.6.200.0030.06018.12
5.6.190.0070.04020.47
5.6.180.4170.04320.60
5.6.170.0370.05320.50
5.6.160.0070.08720.54
5.6.150.0170.07018.25
5.6.140.0030.04018.18
5.6.130.0030.05718.29
5.6.120.0130.07721.02
5.6.110.0100.07021.06
5.6.100.0070.06321.11
5.6.90.0100.05021.10
5.6.80.0070.08720.38
5.6.70.4500.03320.51
5.5.350.0030.07020.39
5.5.340.0030.04318.07
5.5.330.0070.05720.31
5.5.320.0230.05020.35
5.5.310.0200.03720.24
5.5.300.0030.06018.01
5.5.290.0130.07317.94
5.5.280.0030.05720.90
5.5.270.0070.05320.76
5.5.260.0070.08720.86
5.5.250.0000.04720.61
5.5.240.0230.07320.16
5.4.450.1500.04319.68
5.4.440.1470.04019.50
5.4.430.1770.03719.50
5.4.420.1800.03719.53
5.4.410.1600.03019.32
5.4.400.1730.04319.22
5.4.390.1670.05719.16
5.4.380.1600.04018.90
5.4.370.1470.03719.16
5.4.360.1500.03719.21
5.4.350.1700.04318.91
5.4.340.1700.04318.89
5.4.320.1600.04719.06
5.4.310.0030.04718.99
5.4.300.0030.05019.05
5.4.290.0630.04319.11
5.4.280.1600.04019.21
5.4.270.1600.04019.05
5.4.260.1600.03719.17
5.4.250.1570.03718.98
5.4.240.1570.03019.01
5.4.230.1570.03718.99
5.4.220.1570.03719.13
5.4.210.1570.03718.88
5.4.200.1800.04719.17
5.4.190.1530.03718.90
5.4.180.1530.03718.96
5.4.170.1030.04319.11
5.4.160.0000.04019.19
5.4.150.0000.04718.72
5.4.140.0730.03716.49
5.4.130.1400.03316.45
5.4.120.1600.02716.34
5.4.110.1400.03716.40
5.4.100.1630.03016.51
5.4.90.1330.03716.58
5.4.80.1400.04316.23
5.4.70.1530.02316.58
5.4.60.1700.04016.48
5.4.50.1570.03716.43
5.4.40.1630.02716.42
5.4.30.1500.03016.55
5.4.20.1530.02716.33
5.4.10.0530.03316.25
5.4.00.0000.03715.72
5.3.290.0030.03714.66
5.3.280.0800.03314.48
5.3.270.1530.03714.71
5.3.260.1870.05014.68
5.3.250.1570.03714.60
5.3.240.1470.04014.64
5.3.230.1670.05014.50
5.3.220.1730.04014.53
5.3.210.1700.04714.57
5.3.200.1630.04014.64
5.3.190.1470.04014.56
5.3.180.1770.04314.77
5.3.170.1530.03314.77
5.3.160.0070.07714.54
5.3.150.0030.03714.46
5.3.140.0200.05014.66
5.3.130.1530.03314.76
5.3.120.1800.04714.68
5.3.110.1700.04314.51
5.3.100.1700.04314.02
5.3.90.1700.04313.91
5.3.80.1830.04713.93
5.3.70.1670.04714.24
5.3.60.1700.05014.16
5.3.50.1670.04713.84
5.3.40.1800.05014.09
5.3.30.1600.04013.96
5.3.20.0230.06013.59
5.3.10.0300.06013.63
5.3.00.0130.05013.75
5.2.170.0200.06711.05
5.2.160.0200.06011.06
5.2.150.0130.03711.25
5.2.140.0200.03011.11
5.2.130.0200.06011.07
5.2.120.0130.02711.05
5.2.110.0100.03011.00
5.2.100.0130.04311.25
5.2.90.0200.03311.10
5.2.80.0230.05711.01
5.2.70.0070.04711.17
5.2.60.0200.04011.05
5.2.50.0130.05711.00
5.2.40.0170.05711.00
5.2.30.0230.05010.87
5.2.20.0130.06310.87
5.2.10.0130.03010.77
5.2.00.0100.03310.67
5.1.60.0130.0509.98
5.1.50.0130.02710.07
5.1.40.0100.02710.12
5.1.30.0100.04010.29
5.1.20.0200.04310.45
5.1.10.0170.05010.29
5.1.00.0170.0339.94
5.0.50.0030.0238.44
5.0.40.0030.0438.48
5.0.30.0130.0638.22
5.0.20.0070.0338.22
5.0.10.0100.0378.22
5.0.00.0030.0678.38
4.4.90.0000.0308.22
4.4.80.0030.0278.22
4.4.70.0130.0308.22
4.4.60.0070.0208.22
4.4.50.0100.0338.22
4.4.40.0130.0338.22
4.4.30.0070.0308.22
4.4.20.0130.0178.22
4.4.10.0100.0338.22
4.4.00.0030.0278.22
4.3.110.0170.0278.22
4.3.100.0070.0438.22
4.3.90.0130.0208.22
4.3.80.0100.0508.22
4.3.70.0100.0308.22
4.3.60.0070.0178.22
4.3.50.0030.0208.22
4.3.40.0030.0278.22
4.3.30.0030.0208.22
4.3.20.0000.0178.22
4.3.10.0000.0238.22
4.3.00.0000.0178.22

preferences:
48.91 ms | 400 KiB | 5 Q