3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = null; var_dump(isset($foo['asdf']));

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)
8.3.40.0110.00718.76
8.3.30.0120.00318.54
8.3.20.0070.00021.72
8.3.10.0070.00023.66
8.3.00.0080.00019.79
8.2.170.0100.00722.96
8.2.160.0070.00721.10
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0050.00220.27
8.2.120.0060.00326.35
8.2.110.0110.00019.30
8.2.100.0040.00817.66
8.2.90.0040.00419.08
8.2.80.0030.00517.97
8.2.70.0000.00817.63
8.2.60.0060.00318.04
8.2.50.0030.00518.10
8.2.40.0040.00420.64
8.2.30.0080.00019.10
8.2.20.0000.00717.99
8.2.10.0000.00718.05
8.2.00.0000.00718.04
8.1.270.0070.00022.06
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0080.00022.81
8.1.230.0000.01117.45
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0030.00617.11
8.1.180.0040.00418.10
8.1.170.0040.00418.56
8.1.160.0000.00718.86
8.1.150.0040.00422.07
8.1.140.0040.00419.48
8.1.130.0000.00918.80
8.1.120.0000.00717.39
8.1.110.0080.00017.39
8.1.100.0000.00817.45
8.1.90.0040.00417.27
8.1.80.0040.00417.41
8.1.70.0040.00417.38
8.1.60.0000.00817.49
8.1.50.0000.00717.51
8.1.40.0000.00817.42
8.1.30.0040.00417.59
8.1.20.0030.00617.54
8.1.10.0040.00417.49
8.1.00.0080.00017.50
8.0.300.0030.00318.77
8.0.290.0040.00416.63
8.0.280.0000.00718.37
8.0.270.0070.00017.09
8.0.260.0000.00616.69
8.0.250.0000.00816.77
8.0.240.0040.00416.87
8.0.230.0030.00616.85
8.0.220.0070.00016.86
8.0.210.0040.00416.82
8.0.200.0000.00716.82
8.0.190.0000.00816.90
8.0.180.0040.00416.77
8.0.170.0040.00416.86
8.0.160.0070.00016.73
8.0.150.0100.00216.63
8.0.140.0070.00016.66
8.0.130.0080.00213.21
8.0.120.0000.00816.84
8.0.110.0000.00816.77
8.0.100.0000.00716.69
8.0.90.0030.00516.72
8.0.80.0040.01116.79
8.0.70.0090.00016.75
8.0.60.0000.00716.77
8.0.50.0040.00416.68
8.0.30.0170.00116.89
8.0.20.0130.01117.40
8.0.10.0040.00416.79
8.0.00.0030.01316.57
7.4.330.0000.00515.55
7.4.320.0040.00416.51
7.4.300.0060.00016.45
7.4.290.0100.00016.42
7.4.280.0050.00316.43
7.4.270.0000.00716.54
7.4.260.0030.00316.42
7.4.250.0080.00016.53
7.4.240.0000.00716.53
7.4.230.0040.00216.43
7.4.220.0150.00616.59
7.4.210.0040.01116.64
7.4.200.0030.00316.32
7.4.160.0110.00816.44
7.4.150.0060.01217.40
7.4.140.0110.01117.86
7.4.130.0070.01916.30
7.4.120.0090.01316.26
7.4.110.0170.00016.49
7.4.100.0060.01216.39
7.4.90.0060.01216.47
7.4.80.0060.01719.39
7.4.70.0040.01216.52
7.4.60.0130.00316.57
7.4.50.0030.01216.29
7.4.40.0000.01516.29
7.4.30.0070.01016.36
7.4.00.0050.00814.90
7.3.330.0050.00012.93
7.3.320.0030.00312.92
7.3.310.0030.00316.08
7.3.300.0070.00016.18
7.3.290.0060.00816.17
7.3.280.0080.00916.18
7.3.270.0070.01017.40
7.3.260.0130.01116.23
7.3.250.0090.00816.13
7.3.240.0140.00316.35
7.3.230.0100.00716.27
7.3.210.0130.00316.26
7.3.200.0060.00916.46
7.3.190.0070.01116.33
7.3.180.0060.00916.44
7.3.170.0110.00516.52
7.3.160.0040.01216.16
7.3.120.0090.00914.66
7.3.110.0100.00714.62
7.3.100.0050.01014.46
7.3.90.0080.00714.62
7.3.80.0030.01214.53
7.3.70.0090.00514.55
7.3.60.0110.00314.55
7.3.50.0030.00914.58
7.3.40.0050.00714.65
7.3.30.0000.01414.61
7.3.20.0020.01216.35
7.3.10.0160.00316.43
7.3.00.0070.01116.34
7.2.330.0030.01316.49
7.2.320.0140.00616.21
7.2.310.0040.01216.28
7.2.300.0140.00316.39
7.2.290.0080.00816.50
7.2.250.0040.01314.77
7.2.240.0080.01014.94
7.2.230.0060.00914.62
7.2.220.0060.00615.05
7.2.210.0060.01114.67
7.2.200.0040.00814.78
7.2.190.0100.00214.82
7.2.180.0080.00614.61
7.2.170.0090.00514.95
7.2.130.0120.00916.37
7.2.120.0130.00716.46
7.2.110.0050.01016.12
7.2.100.0160.00416.57
7.2.90.0180.00516.52
7.2.80.0090.00616.33
7.2.70.0120.00716.53
7.2.60.0080.01216.62
7.2.50.0090.00816.44
7.2.40.0100.01416.57
7.2.30.0110.00816.48
7.2.20.0120.00816.79
7.2.10.0110.00816.49
7.2.00.0080.00716.41
7.1.330.0020.01315.72
7.1.320.0070.00615.50
7.1.310.0030.00915.40
7.1.300.0070.00515.64
7.1.290.0040.00915.67
7.1.280.0020.01015.75
7.1.270.0030.01015.63
7.1.260.0030.00815.57
7.1.250.0060.01415.40
7.1.240.0120.00315.83
7.1.230.0060.00915.32
7.1.220.0130.00015.75
7.1.210.0000.01515.58
7.1.200.0050.00515.52
7.1.190.0070.00715.54
7.1.180.0070.00315.54
7.1.170.0110.00615.52
7.1.160.0070.00715.35
7.1.150.0120.00315.59
7.1.140.0040.00415.76
7.1.130.0080.00415.47
7.1.120.0060.00915.64
7.1.110.0070.00715.54
7.1.100.0000.00715.71
7.1.90.0090.00615.80
7.1.80.0000.00915.61
7.1.70.0090.00316.25
7.1.60.0950.01224.25
7.1.50.0830.00824.19
7.1.40.1180.01024.08
7.1.30.1050.01024.03
7.1.20.0950.01324.07
7.1.10.1060.01115.05
7.1.00.0930.01315.34
7.0.330.0070.00715.21
7.0.320.0080.00015.13
7.0.310.0140.00015.46
7.0.300.0070.00415.22
7.0.290.0030.00915.22
7.0.280.0140.00015.15
7.0.270.0030.00515.24
7.0.260.0020.00514.91
7.0.250.0070.00715.23
7.0.240.0030.00714.96
7.0.230.0000.01015.16
7.0.220.0040.01115.03
7.0.210.0060.00615.20
7.0.200.0800.00914.67
7.0.190.1460.00614.82
7.0.180.1130.00314.73
7.0.170.1200.01014.89
7.0.160.1250.01214.81
7.0.150.1180.00814.61
7.0.140.1180.00814.73
7.0.130.1000.00914.91
7.0.120.0750.00814.83
7.0.110.0980.00614.81
7.0.100.1400.01514.73
7.0.90.1320.01014.67
7.0.80.1290.00714.66
7.0.70.0930.01014.74
7.0.60.0910.00914.62
7.0.50.0990.00815.04
7.0.40.1000.00513.87
7.0.30.0920.01013.99
7.0.20.0770.01014.00
7.0.10.1210.00813.98
7.0.00.0950.00913.87
5.6.380.0000.01014.44

preferences:
62.41 ms | 400 KiB | 5 Q