3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null; var_dump($a instanceof StdClass); var_dump(is_a($a, "StdClass"));

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)
8.3.60.0170.00316.50
8.3.50.0130.00521.90
8.3.40.0090.01218.76
8.3.30.0110.00418.88
8.3.20.0070.00020.04
8.3.10.0070.00021.77
8.3.00.0030.00519.56
8.2.180.0040.01816.63
8.2.170.0150.00022.96
8.2.160.0100.01020.48
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00420.75
8.2.110.0090.00022.13
8.2.100.0080.00417.78
8.2.90.0050.00219.23
8.2.80.0030.00617.97
8.2.70.0060.00317.50
8.2.60.0060.00317.80
8.2.50.0040.00418.07
8.2.40.0040.00419.77
8.2.30.0040.00418.04
8.2.20.0040.00417.55
8.2.10.0030.00517.93
8.2.00.0050.00217.59
8.1.280.0150.00025.92
8.1.270.0040.00422.05
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.96
8.1.230.0080.00318.80
8.1.220.0040.00417.74
8.1.210.0030.00918.77
8.1.200.0040.00417.23
8.1.190.0000.00717.18
8.1.180.0000.00918.88
8.1.170.0000.00818.47
8.1.160.0000.00822.01
8.1.150.0000.00718.87
8.1.140.0000.00717.31
8.1.130.0030.00317.76
8.1.120.0050.00317.39
8.1.110.0070.00017.31
8.1.100.0070.00017.19
8.1.90.0040.00417.27
8.1.80.0000.00717.40
8.1.70.0030.00317.29
8.1.60.0030.00517.42
8.1.50.0000.00817.41
8.1.40.0030.00617.45
8.1.30.0000.00817.48
8.1.20.0040.00417.54
8.1.10.0040.00417.45
8.1.00.0040.00417.36
8.0.300.0000.00819.09
8.0.290.0030.00317.05
8.0.280.0030.00318.29
8.0.270.0040.00417.21
8.0.260.0070.00018.29
8.0.250.0000.00616.77
8.0.240.0030.00316.88
8.0.230.0030.00316.95
8.0.220.0080.00016.84
8.0.210.0050.00216.85
8.0.200.0000.00716.83
8.0.190.0030.00616.80
8.0.180.0000.00716.83
8.0.170.0040.00416.83
8.0.160.0050.00216.82
8.0.150.0050.00316.76
8.0.140.0040.00416.66
8.0.130.0000.00613.18
8.0.120.0050.00316.83
8.0.110.0090.00016.71
8.0.100.0000.00716.80
8.0.90.0000.00816.63
8.0.80.0030.01216.88
8.0.70.0050.00216.68
8.0.60.0000.00816.78
8.0.50.0060.00316.68
8.0.30.0070.01216.74
8.0.20.0110.01117.40
8.0.10.0020.00516.91
8.0.00.0090.00816.76
7.4.330.0030.00315.03
7.4.320.0000.00616.50
7.4.300.0000.00616.45
7.4.290.0070.00016.38
7.4.280.0000.00816.46
7.4.270.0030.00316.54
7.4.260.0060.00316.43
7.4.250.0030.00316.37
7.4.240.0080.00016.45
7.4.230.0000.00716.50
7.4.220.0110.00716.59
7.4.210.0110.00516.44
7.4.200.0070.00016.58
7.4.160.0090.00616.30
7.4.150.0120.00617.40
7.4.140.0130.00717.86
7.4.130.0070.01016.37
7.4.120.0060.01116.41
7.4.110.0130.00716.48
7.4.100.0090.01016.54
7.4.90.0030.01316.30
7.4.80.0130.00619.39
7.4.70.0130.00316.55
7.4.60.0110.00616.34
7.4.50.0030.00616.43
7.4.40.0100.00716.48
7.4.30.0080.00816.49
7.4.00.0030.01414.88
7.3.330.0060.00013.04
7.3.320.0000.00513.03
7.3.310.0040.00416.18
7.3.300.0030.00316.18
7.3.290.0050.00216.10
7.3.280.0120.00716.25
7.3.270.0060.01217.40
7.3.260.0100.00716.47
7.3.250.0080.01016.49
7.3.240.0070.01016.28
7.3.230.0090.00916.51
7.3.210.0060.01016.15
7.3.200.0150.00319.39
7.3.190.0070.01016.34
7.3.180.0110.00516.23
7.3.170.0000.01516.38
7.3.160.0140.00716.21
7.3.120.0080.00814.58
7.3.110.0090.00914.79
7.3.100.0060.01214.59
7.3.90.0140.00414.79
7.3.80.0090.00614.58
7.3.70.0070.00714.41
7.3.60.0030.00614.56
7.3.50.0040.01114.71
7.3.40.0100.00714.29
7.3.30.0140.00014.53
7.3.20.0140.00016.61
7.3.10.0000.01216.61
7.3.00.0000.01616.51
7.2.330.0070.01116.39
7.2.320.0090.00916.62
7.2.310.0110.00916.52
7.2.300.0130.00316.35
7.2.290.0070.01116.42
7.2.250.0030.01614.79
7.2.240.0060.01014.79
7.2.230.0100.01015.01
7.2.220.0080.00814.75
7.2.210.0100.00714.64
7.2.200.0070.01014.69
7.2.190.0130.00315.00
7.2.180.0110.00614.83
7.2.170.0000.01314.94
7.2.60.1080.01215.04
7.2.00.0030.01319.45
7.1.330.0110.00415.67
7.1.320.0090.00315.59
7.1.310.0090.00915.87
7.1.300.0000.01315.78
7.1.290.0070.00715.68
7.1.280.0070.00715.41
7.1.270.0090.00315.82
7.1.260.0000.01015.50
7.1.200.0040.01115.73
7.1.100.0080.00418.20
7.1.70.0030.00617.16
7.1.60.0090.01219.57
7.1.50.0070.01616.80
7.1.00.0070.07322.44
7.0.200.0200.00314.90
7.0.140.0030.04722.00
7.0.60.0130.07719.82
7.0.50.0070.04017.88
7.0.40.0070.08320.32
7.0.30.0330.05020.18
7.0.20.0200.04320.13
7.0.10.0070.05020.04
7.0.00.0000.09020.01
5.6.280.0130.06320.89
5.6.210.0030.06020.46
5.6.200.0070.06718.15
5.6.190.0130.08020.49
5.6.180.0300.06320.64
5.6.170.0330.07720.46
5.6.160.0070.08020.61
5.6.150.0070.04018.22
5.6.140.0000.05018.20
5.6.130.0170.07018.21
5.6.120.0070.04021.14
5.6.110.0030.06021.12
5.6.100.0070.08721.00
5.6.90.0130.05021.09
5.6.80.0100.07020.36
5.5.350.0200.08320.39
5.5.340.0030.05317.93
5.5.330.0070.07720.15
5.5.320.0230.05720.20
5.5.310.0300.07320.41
5.5.300.0000.04017.89
5.5.290.0170.06017.96
5.5.280.0030.07320.93
5.5.270.0100.05720.82
5.5.260.0170.08320.85
5.5.250.0100.07320.57
5.5.240.0070.07320.22
5.4.450.0670.05319.38
5.4.440.0800.05719.47
5.4.430.0070.05719.51
5.4.420.0070.05719.35
5.4.410.0130.06318.68
5.4.400.0070.07018.78
5.4.390.0170.06718.68
5.4.380.0170.05018.50
5.4.370.0030.05718.61
5.4.360.0070.05718.71
5.4.350.0100.05318.66
5.4.340.0030.06018.76
5.4.320.0170.04318.64
5.4.310.0200.05018.56
5.4.300.0170.03718.71
5.4.290.0100.05318.71
5.4.280.0070.05318.64
5.4.270.0170.04318.66
5.4.260.0130.03318.50
5.4.250.0330.03318.48
5.4.240.0230.04318.59
5.4.230.0300.04318.51
5.4.220.0270.05318.74
5.4.210.0100.04718.48
5.4.200.0070.05316.74
5.4.190.0100.05018.74
5.4.180.0130.05318.58
5.4.170.0000.04718.48
5.4.160.0030.04318.71
5.4.150.0070.04018.59
5.4.140.0030.04016.30
5.4.130.0030.04716.26
5.4.120.0030.03716.17
5.4.110.0100.03316.11
5.4.100.0100.03316.26
5.4.90.0070.04716.26
5.4.80.0070.05016.13
5.4.70.0070.05016.04
5.4.60.0070.04716.12
5.4.50.0070.03716.21
5.4.40.0130.03716.32
5.4.30.0200.03716.00
5.4.20.0100.05316.19
5.4.10.0070.05316.00
5.4.00.0130.04015.69
5.3.290.0070.04314.67
5.3.280.0030.04014.55
5.3.270.0030.05014.48
5.3.260.0270.05014.56
5.3.250.0230.05014.65
5.3.240.0130.06314.51
5.3.230.0170.04314.52
5.3.220.0130.05014.45
5.3.210.0330.03714.41
5.3.200.0130.05014.50
5.3.190.0130.05314.50
5.3.180.0270.05014.41
5.3.170.0270.05714.52
5.3.160.0200.04314.48
5.3.150.0170.04314.52
5.3.140.0030.05714.48
5.3.130.0930.05014.57
5.3.120.0170.05314.57
5.3.110.0070.05714.41
5.3.100.0130.04713.88
5.3.90.0270.04714.07
5.3.80.0200.03714.00
5.3.70.0200.04313.96
5.3.60.0070.05313.94
5.3.50.0170.04713.84
5.3.40.0000.05313.85
5.3.30.0100.04713.77
5.3.20.0100.04713.61
5.3.10.0070.05313.66
5.3.00.0070.04313.67
5.2.170.0100.04011.23
5.2.160.0130.04311.03
5.2.150.0070.04311.23
5.2.140.0070.04011.19
5.2.130.0070.04311.07
5.2.120.0100.03711.10
5.2.110.0130.03011.03
5.2.100.0100.03011.05
5.2.90.0130.03011.07
5.2.80.0270.03011.07
5.2.70.0170.04311.06
5.2.60.0200.04310.96
5.2.50.0230.03711.01
5.2.40.0000.03310.99
5.2.30.0170.02310.86
5.2.20.0130.02710.84
5.2.10.0070.04010.85
5.2.00.0100.03710.62
5.1.60.0070.0309.96
5.1.50.0000.03710.11
5.1.40.0070.0339.98
5.1.30.0100.03310.28
5.1.20.0030.03310.25
5.1.10.0000.03310.02
5.1.00.0100.03010.13
5.0.50.0130.0208.50
5.0.40.0000.0308.40
5.0.30.0070.0378.13
5.0.20.0030.0278.32
5.0.10.0030.0278.25
5.0.00.0100.0338.27
4.4.90.0070.0275.87
4.4.80.0000.0275.80
4.4.70.0100.0135.86
4.4.60.0000.0235.84
4.4.50.0070.0205.84
4.4.40.0000.0375.88
4.4.30.0000.0205.88
4.4.20.0070.0175.82
4.4.10.0030.0205.89
4.4.00.0000.0305.85
4.3.110.0000.0175.78
4.3.100.0000.0235.77
4.3.90.0030.0205.81
4.3.80.0000.0335.73
4.3.70.0030.0275.75
4.3.60.0030.0275.72
4.3.50.0100.0205.76
4.3.40.0100.0305.69
4.3.30.0000.0274.48
4.3.20.0030.0234.47
4.3.10.0100.0204.44
4.3.00.0100.0236.45

preferences:
55.11 ms | 401 KiB | 5 Q