3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new StdClass; $b = null; var_dump(!$b instanceof StdClass); var_dump(!$a instanceof StdClass); var_dump(!($b instanceof StdClass)); var_dump(!($a instanceof StdClass)); var_dump($b instanceof StdClass); var_dump($a instanceof 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)
8.3.60.0090.00916.63
8.3.50.0090.00616.56
8.3.40.0120.00318.68
8.3.30.0070.00718.54
8.3.20.0040.00420.22
8.3.10.0000.00821.76
8.3.00.0000.01217.72
8.2.180.0090.00618.42
8.2.170.0100.00322.96
8.2.160.0000.01420.45
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0080.00020.95
8.2.120.0000.00826.35
8.2.110.0090.00319.27
8.2.100.0000.01118.22
8.2.90.0030.00619.22
8.2.80.0030.00617.97
8.2.70.0020.00717.63
8.2.60.0030.00517.93
8.2.50.0060.00318.10
8.2.40.0040.00420.42
8.2.30.0000.00720.91
8.2.20.0050.00317.98
8.2.10.0000.00718.04
8.2.00.0000.00718.06
8.1.280.0070.00725.92
8.1.270.0080.00023.92
8.1.260.0060.00326.35
8.1.250.0000.00728.09
8.1.240.0040.00423.83
8.1.230.0110.00017.46
8.1.220.0040.00417.74
8.1.210.0060.00618.77
8.1.200.0040.00417.35
8.1.190.0050.00317.23
8.1.180.0030.00618.10
8.1.170.0040.00418.46
8.1.160.0050.00318.92
8.1.150.0040.00418.93
8.1.140.0030.00519.57
8.1.130.0040.00418.88
8.1.120.0050.00217.46
8.1.110.0070.00017.35
8.1.100.0080.00017.48
8.1.90.0040.00417.39
8.1.80.0000.00717.43
8.1.70.0000.00717.48
8.1.60.0030.00617.61
8.1.50.0000.00717.52
8.1.40.0080.00017.41
8.1.30.0040.00417.70
8.1.20.0040.00417.68
8.1.10.0020.00517.61
8.1.00.0050.00217.55
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0040.00418.36
8.0.270.0030.00317.16
8.0.260.0080.00016.69
8.0.250.0050.00216.84
8.0.240.0050.00316.92
8.0.230.0000.00716.88
8.0.220.0070.00016.89
8.0.210.0070.00016.95
8.0.200.0030.00316.88
8.0.190.0080.00016.91
8.0.180.0040.00416.90
8.0.170.0030.00316.82
8.0.160.0000.00716.99
8.0.150.0070.00016.87
8.0.140.0000.00816.84
8.0.130.0000.00513.25
8.0.120.0040.00416.91
8.0.110.0070.00016.68
8.0.100.0050.00316.77
8.0.90.0070.00016.79
8.0.80.0060.00916.84
8.0.70.0040.00416.95
8.0.60.0040.00416.80
8.0.50.0080.00016.80
8.0.30.0100.01017.06
8.0.20.0120.00917.40
8.0.10.0000.00816.79
8.0.00.0120.00616.80
7.4.330.0000.00515.55
7.4.320.0070.00016.50
7.4.300.0030.00316.39
7.4.290.0030.00616.51
7.4.280.0040.00416.63
7.4.270.0000.00616.50
7.4.260.0050.00313.27
7.4.250.0030.00316.49
7.4.240.0040.00316.52
7.4.230.0030.00316.62
7.4.220.0070.01516.37
7.4.210.0090.00616.40
7.4.200.0070.00016.54
7.4.160.0040.01216.52
7.4.150.0270.03117.40
7.4.140.0110.00917.86
7.4.130.0060.01916.57
7.4.120.0080.01016.48
7.4.110.0130.00316.61
7.4.100.0120.01216.40
7.4.90.0130.00316.46
7.4.80.0000.01719.39
7.4.70.0120.00616.44
7.4.60.0190.00316.55
7.4.50.0030.01016.21
7.4.40.0070.01416.45
7.4.30.0110.01116.50
7.4.00.0070.01114.94
7.3.330.0050.00013.11
7.3.320.0000.00613.12
7.3.310.0020.00516.03
7.3.300.0030.00316.22
7.3.290.0080.00616.18
7.3.280.0080.00816.22
7.3.270.0170.01217.40
7.3.260.0080.00816.31
7.3.250.0140.00716.45
7.3.240.0040.01616.33
7.3.230.0060.01616.51
7.3.210.0060.01216.56
7.3.200.0160.00016.39
7.3.190.0030.01316.26
7.3.180.0130.00316.39
7.3.170.0050.01116.30
7.3.160.0160.00316.54
7.3.10.0000.01516.67
7.3.00.0080.00316.54
7.2.330.0080.00816.36
7.2.320.0030.01416.68
7.2.310.0070.00816.68
7.2.300.0190.00016.39
7.2.290.0040.01216.45
7.2.130.0100.00716.71
7.2.120.0090.00616.96
7.2.110.0040.01116.95
7.2.100.0030.00616.71
7.2.90.0070.00716.72
7.2.80.0060.00616.82
7.2.70.0040.01116.57
7.2.60.0060.00816.79
7.2.50.0070.01016.56
7.2.40.0060.00617.00
7.2.30.0110.00216.77
7.2.20.0030.00916.86
7.2.10.0060.00616.77
7.2.00.0110.00417.06
7.1.250.0070.00615.79
7.1.200.0040.00715.71
7.1.100.0080.00418.14
7.1.70.0120.00317.14
7.1.60.0220.01334.95
7.1.50.0200.01634.65
7.1.40.0160.01634.07
7.1.30.0240.01034.21
7.1.20.0230.01334.55
7.1.10.0040.01516.67
7.1.00.0090.00916.73
7.0.200.0040.01116.88
7.0.190.0070.01016.59
7.0.180.0060.00916.36
7.0.170.0070.01316.29
7.0.160.0090.00616.26
7.0.150.0140.00616.13
7.0.140.0110.01116.30
7.0.130.0100.00716.64
7.0.120.0170.00316.23
7.0.110.0120.00316.17
7.0.100.0160.00016.15
7.0.90.0090.00616.45
7.0.80.0060.01416.38
7.0.70.0090.00616.14
7.0.60.0030.01315.97
7.0.50.0040.01216.52
7.0.40.0000.01616.52
7.0.30.0060.01316.51
7.0.20.0030.01616.51
7.0.10.0110.00516.36
7.0.00.0120.00316.31

preferences:
53.97 ms | 400 KiB | 5 Q