3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ack{ public function getBar(){ return null; } } $foo = new ack(); var_dump($foo ?? "empty"); var_dump($foo->getBar()->getBaz() ?? "empty");

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)
8.3.70.0110.00416.74
8.3.60.0040.01118.31
8.3.50.0080.00816.62
8.3.40.0070.00718.64
8.3.30.0070.00718.74
8.3.20.0060.00320.38
8.3.10.0030.00523.60
8.3.00.0080.00019.79
8.2.180.0120.00918.29
8.2.170.0130.00622.96
8.2.160.0070.00719.03
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00421.06
8.2.120.0040.00426.35
8.2.110.0030.00722.24
8.2.100.0080.00417.70
8.2.90.0080.00022.29
8.2.80.0080.00017.97
8.2.70.0000.00817.68
8.2.60.0050.00218.09
8.2.50.0000.00818.10
8.2.40.0000.00920.42
8.2.30.0070.00319.18
8.2.20.0040.00417.98
8.2.10.0020.00517.93
8.2.00.0000.00718.04
8.1.280.0090.01225.92
8.1.270.0050.00223.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0140.00322.47
8.1.230.0080.00320.77
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0040.00417.35
8.1.190.0040.00417.22
8.1.180.0030.00518.10
8.1.170.0060.00318.54
8.1.160.0000.00718.89
8.1.150.0060.00320.60
8.1.140.0030.00819.46
8.1.130.0000.00718.92
8.1.120.0030.00317.44
8.1.110.0000.00817.37
8.1.100.0030.00617.43
8.1.90.0000.00817.30
8.1.80.0040.00417.38
8.1.70.0050.00217.45
8.1.60.0000.00817.57
8.1.50.0040.00417.51
8.1.40.0060.00317.53
8.1.30.0000.00817.48
8.1.20.0040.00417.70
8.1.10.0030.00617.55
8.1.00.0040.00417.40
8.0.300.0000.00719.91
8.0.290.0040.00416.75
8.0.280.0000.00718.29
8.0.270.0070.00017.20
8.0.260.0000.00716.82
8.0.250.0040.00417.02
8.0.240.0000.00816.83
8.0.230.0000.00716.86
8.0.220.0030.00316.89
8.0.210.0000.00716.82
8.0.200.0030.00316.93
8.0.190.0050.00316.84
8.0.180.0000.00816.94
8.0.170.0000.00716.93
8.0.160.0020.00516.94
8.0.150.0040.00416.83
8.0.140.0000.00816.87
8.0.130.0040.00413.34
8.0.120.0040.00416.71
8.0.110.0000.00716.94
8.0.100.0040.00416.84
8.0.90.0030.00316.75
8.0.80.0110.00616.90
8.0.70.0000.00716.80
8.0.60.0040.00416.96
8.0.50.0050.00216.77
8.0.30.0050.01517.18
8.0.20.0070.01117.40
8.0.10.0040.00416.90
8.0.00.0090.01216.93
7.4.330.0050.00015.55
7.4.320.0000.00716.45
7.4.300.0040.00416.55
7.4.290.0070.00016.57
7.4.280.0040.00416.64
7.4.270.0030.00316.51
7.4.260.0030.00316.54
7.4.250.0030.00316.46
7.4.240.0060.00316.61
7.4.230.0000.00716.72
7.4.220.0110.00916.51
7.4.210.0000.01516.54
7.4.200.0070.00016.35
7.4.160.0070.00916.58
7.4.150.0090.00917.40
7.4.140.0090.00817.86
7.4.130.0000.01716.56
7.4.120.0090.01116.46
7.4.110.0100.00816.54
7.4.100.0130.00716.28
7.4.90.0160.00616.56
7.4.80.0080.01219.39
7.4.70.0040.01416.48
7.4.60.0070.01116.54
7.4.50.0120.00316.28
7.4.40.0070.01416.68
7.4.30.0100.00616.69
7.4.00.0060.00914.75
7.3.330.0000.00513.34
7.3.320.0030.00313.35
7.3.310.0020.00516.36
7.3.300.0070.00016.34
7.3.290.0070.00816.38
7.3.280.0090.01016.35
7.3.270.0110.00717.40
7.3.260.0100.00716.48
7.3.250.0090.00816.44
7.3.240.0100.00716.54
7.3.230.0130.01016.51
7.3.210.0100.00616.41
7.3.200.0130.00416.30
7.3.190.0120.00316.28
7.3.180.0110.01116.51
7.3.170.0100.01016.43
7.3.160.0030.01416.37
7.3.120.0100.01014.80
7.3.110.0070.01015.06
7.3.100.0100.00714.95
7.3.90.0100.00314.84
7.3.80.0120.00314.86
7.3.70.0000.01114.86
7.3.60.0140.00014.71
7.3.50.0120.00014.62
7.3.40.0030.00714.83
7.3.30.0000.01214.88
7.3.20.0100.00316.45
7.3.10.0060.00916.60
7.3.00.0070.00316.66
7.2.330.0100.01016.34
7.2.320.0030.01316.64
7.2.310.0070.01016.62
7.2.300.0070.01016.60
7.2.290.0060.00916.56
7.2.250.0060.01314.93
7.2.240.0070.01015.04
7.2.230.0030.01314.76
7.2.220.0070.00414.84
7.2.210.0060.00914.75
7.2.200.0100.00315.13
7.2.190.0030.01414.95
7.2.180.0000.01314.87
7.2.170.0040.00415.03
7.2.60.1280.00814.86
7.2.00.0100.00719.22
7.1.330.0120.00315.59
7.1.320.0080.00415.84
7.1.310.0030.00615.79
7.1.300.0040.00815.72
7.1.290.0070.00715.55
7.1.280.0120.00315.70
7.1.270.0030.01315.46
7.1.260.0030.01315.43
7.1.200.0030.01015.61
7.1.100.0030.00818.32
7.1.70.0320.01315.06
7.1.60.0340.02333.13
7.1.50.0450.01532.76
7.1.40.0380.02432.23
7.1.30.0670.00932.45
7.1.20.0430.01332.80
7.1.10.0290.01414.66
7.1.00.0330.00314.94
7.0.200.0290.00514.57
7.0.190.0340.01214.76
7.0.180.0320.01314.45
7.0.170.0300.01214.34
7.0.160.0220.01414.27
7.0.150.0250.01714.38
7.0.140.0230.01714.47
7.0.130.0250.01114.48
7.0.120.0280.00814.52
7.0.110.0330.00414.47
7.0.100.0230.01014.32
7.0.90.0180.01514.39
7.0.80.0260.00814.45
7.0.70.0240.01414.43
7.0.60.0350.01214.26
7.0.50.0160.01514.48
7.0.40.0230.01414.59
7.0.30.0480.00614.75
7.0.20.0180.01114.39
7.0.10.0180.00714.55
7.0.00.0750.00714.52

preferences:
71.72 ms | 401 KiB | 5 Q