3v4l.org

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

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)
8.3.60.0100.01018.31
8.3.50.0040.01117.99
8.3.40.0060.01018.68
8.3.30.0070.00718.77
8.3.20.0000.00820.76
8.3.10.0030.00523.64
8.3.00.0070.00023.65
8.2.180.0070.00718.54
8.2.170.0080.00818.91
8.2.160.0040.01122.96
8.2.150.0000.00725.66
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0060.00318.72
8.2.110.0080.00321.00
8.2.100.0130.00317.72
8.2.90.0000.00817.59
8.2.80.0040.00417.97
8.2.70.0050.00318.16
8.2.60.0000.00718.03
8.2.50.0000.00818.10
8.2.40.0000.00718.96
8.2.30.0000.00719.05
8.2.20.0050.00217.89
8.2.10.0040.00419.30
8.2.00.0000.00717.86
8.1.280.0120.00325.92
8.1.270.0040.00418.75
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.87
8.1.230.0030.01020.84
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0050.00317.23
8.1.180.0080.00018.10
8.1.170.0060.00318.53
8.1.160.0060.00318.86
8.1.150.0080.00018.88
8.1.140.0080.00018.85
8.1.130.0000.00720.07
8.1.120.0030.00417.28
8.1.110.0060.00317.27
8.1.100.0060.00317.40
8.1.90.0000.00817.39
8.1.80.0040.00417.35
8.1.70.0000.00717.41
8.1.60.0080.00017.56
8.1.50.0000.00717.47
8.1.40.0070.00017.43
8.1.30.0000.00817.51
8.1.20.0030.00517.51
8.1.10.0040.00417.58
8.1.00.0040.00417.49
8.0.300.0040.00419.60
8.0.290.0080.00016.75
8.0.280.0070.00018.38
8.0.270.0070.00017.18
8.0.260.0060.00018.24
8.0.250.0000.00716.79
8.0.240.0050.00316.90
8.0.230.0000.00816.77
8.0.220.0030.00316.86
8.0.210.0000.00716.82
8.0.200.0040.00416.89
8.0.190.0030.00516.82
8.0.180.0000.00716.89
8.0.170.0080.00016.76
8.0.160.0030.00516.83
8.0.150.0060.00616.79
8.0.140.0040.00316.67
8.0.130.0080.00013.25
8.0.120.0000.00716.77
8.0.110.0080.00016.71
8.0.100.0040.00416.67
8.0.90.0030.00316.77
8.0.80.0090.00916.80
8.0.70.0000.00716.80
8.0.60.0040.00416.72
8.0.50.0000.00716.76
8.0.30.0090.01016.95
8.0.20.0090.01017.40
8.0.10.0000.00716.91
8.0.00.0140.00616.55
7.4.330.0000.00515.55
7.4.320.0050.00316.58
7.4.300.0030.00316.54
7.4.290.0030.00316.52
7.4.280.0070.00416.41
7.4.270.0070.00316.54
7.4.260.0040.00416.52
7.4.250.0030.00316.38
7.4.240.0070.00016.43
7.4.230.0030.00316.25
7.4.220.0080.00016.36
7.4.210.0090.00716.55
7.4.200.0000.00716.38
7.4.160.0100.00516.43
7.4.140.0140.00817.86
7.4.130.0130.01016.45
7.4.120.0090.00916.40
7.4.110.0060.01316.27
7.4.100.0100.01316.36
7.4.90.0210.01616.38
7.4.80.0140.01019.39
7.4.70.0170.00016.39
7.4.60.0030.01416.34
7.4.50.0060.00916.25
7.4.40.0060.01016.59
7.4.10.0090.00914.61
7.4.00.0080.00814.76
7.3.330.0000.00513.21
7.3.320.0060.00013.26
7.3.310.0060.00016.05
7.3.300.0040.00416.23
7.3.290.0060.00016.11
7.3.280.0100.00916.23
7.3.260.0110.00716.32
7.3.240.0060.01216.38
7.3.230.0090.00916.29
7.3.210.0070.01016.55
7.3.200.0030.01316.47
7.3.190.0120.01216.12
7.3.180.0060.01116.22
7.3.170.0060.01016.49
7.3.160.0040.01216.38
7.3.130.0120.00814.72
7.3.120.0120.00614.61
7.3.110.0100.00714.82
7.3.100.0130.00314.47
7.3.90.0070.01014.70
7.3.80.0060.00614.63
7.3.70.0030.01014.65
7.3.60.0070.00414.88
7.3.50.0000.01114.41
7.3.40.0060.00314.91
7.3.30.0060.00314.64
7.3.20.0120.00016.63
7.3.10.0310.00515.52
7.3.00.0290.00515.50
7.2.330.0140.00416.57
7.2.320.0060.01116.46
7.2.310.0100.00716.31
7.2.300.0080.00816.32
7.2.290.0050.01016.43
7.2.260.0070.01314.95
7.2.250.0130.00614.94
7.2.240.0070.00714.94
7.2.230.0080.00815.17
7.2.220.0060.01215.09
7.2.210.0070.00714.83
7.2.200.0000.01214.88
7.2.190.0090.00614.83
7.2.180.0030.01014.69
7.2.170.0070.00715.00
7.2.160.0000.01215.03
7.2.150.0070.01016.81
7.2.140.0000.01416.86
7.2.130.0270.00515.96
7.2.120.0260.01015.96
7.2.110.0280.00315.78
7.2.100.0280.00315.89
7.2.90.0290.00815.87
7.2.80.0270.00816.01
7.2.70.0370.00815.79
7.2.60.0280.01115.97
7.2.50.0340.00915.82
7.2.40.0400.00715.89
7.2.30.0380.00915.84
7.2.20.0340.00616.04
7.2.10.0350.01115.82
7.2.00.0660.01315.69
7.1.330.0060.00615.61
7.1.320.0080.00815.88
7.1.310.0110.00015.89
7.1.300.0030.01215.69
7.1.290.0000.01215.82
7.1.280.0040.01215.93
7.1.270.0040.00415.90
7.1.260.0070.00715.79
7.1.250.0270.01014.91
7.1.240.0030.01115.65
7.1.230.0030.00715.82
7.1.220.0000.01615.99
7.1.210.0070.00715.95
7.1.200.0040.01215.96
7.1.190.0000.01415.71
7.1.180.0090.00615.85
7.1.170.0030.01215.82
7.1.160.0090.00315.54
7.1.150.0110.00415.50
7.1.140.0070.00715.70
7.1.130.0060.01015.95
7.1.120.0030.00615.82
7.1.110.0130.00015.99
7.1.100.0030.01015.58
7.1.90.0070.00715.98
7.1.80.0070.00715.74
7.1.70.0060.00615.89
7.1.60.0030.00615.50
7.1.50.0110.00715.74
7.1.40.0120.00615.96
7.1.30.0120.00615.63
7.1.20.0110.00416.02
7.1.10.0050.00415.71
7.1.00.0050.00515.84

preferences:
51.5 ms | 400 KiB | 5 Q