3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 6; var_dump($a['foo']); var_dump($a['foo'] !== null); echo "\n---\n"; $a = []; var_dump($a['foo']); var_dump($a['foo'] !== null);

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)
8.3.60.0000.01818.30
8.3.50.0110.00317.86
8.3.40.0140.00418.80
8.3.30.0090.00918.84
8.3.20.0070.00021.90
8.3.10.0060.00323.57
8.3.00.0080.00019.56
8.2.180.0100.00716.85
8.2.170.0090.00622.96
8.2.160.0130.00720.77
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00320.47
8.2.120.0040.00426.35
8.2.110.0100.00021.02
8.2.100.0090.00318.03
8.2.90.0040.00718.03
8.2.80.0000.00817.97
8.2.70.0030.00518.04
8.2.60.0000.00917.93
8.2.50.0020.00518.22
8.2.40.0030.00522.28
8.2.30.0000.00719.43
8.2.20.0050.00318.05
8.2.10.0040.00417.97
8.2.00.0070.00017.91
8.1.280.0120.00425.92
8.1.270.0140.00720.54
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.16
8.1.230.0040.00820.86
8.1.220.0000.00817.74
8.1.210.0030.00619.02
8.1.200.0030.00617.10
8.1.190.0030.00517.22
8.1.180.0040.00418.10
8.1.170.0080.00018.30
8.1.160.0040.00418.80
8.1.150.0000.00720.30
8.1.140.0040.00417.58
8.1.130.0000.00819.00
8.1.120.0050.00217.42
8.1.110.0050.00317.25
8.1.100.0070.00317.39
8.1.90.0050.00317.43
8.1.80.0050.00317.25
8.1.70.0030.00617.40
8.1.60.0060.00317.54
8.1.50.0050.00317.44
8.1.40.0040.00417.34
8.1.30.0060.00317.50
8.1.20.0040.00417.48
8.1.10.0000.00717.50
8.1.00.0060.00317.54
8.0.300.0040.00419.75
8.0.290.0000.00816.63
8.0.280.0000.00718.34
8.0.270.0000.00817.21
8.0.260.0070.00016.88
8.0.250.0070.00016.87
8.0.240.0030.00316.84
8.0.230.0000.00816.98
8.0.220.0000.00716.84
8.0.210.0080.00016.86
8.0.200.0050.00216.97
8.0.190.0070.00016.95
8.0.180.0040.00416.95
8.0.170.0090.00216.80
8.0.160.0030.00516.96
8.0.150.0050.00316.84
8.0.140.0040.00416.90
8.0.130.0000.00613.27
8.0.120.0000.00816.73
8.0.110.0040.00416.89
8.0.100.0040.00416.75
8.0.90.0000.00716.92
8.0.80.0060.01316.81
8.0.70.0000.00816.68
8.0.60.0000.00716.74
8.0.50.0040.00416.94
8.0.30.0070.00916.99
8.0.20.0060.01217.40
8.0.10.0040.00416.88
8.0.00.0090.00816.69
7.4.330.0000.00515.55
7.4.320.0000.00616.45
7.4.300.0000.00616.55
7.4.290.0030.00316.41
7.4.280.0030.00516.44
7.4.270.0040.00416.52
7.4.260.0000.00716.62
7.4.250.0070.00016.48
7.4.240.0000.00816.59
7.4.230.0030.00316.63
7.4.220.0040.00416.57
7.4.210.0060.01316.58
7.4.200.0030.00316.63
7.4.160.0110.00816.48
7.4.150.0110.00617.40
7.4.140.0100.01017.86
7.4.130.0090.00916.59
7.4.120.0110.00716.50
7.4.110.0080.00816.59
7.4.100.0090.00816.29
7.4.90.0110.00716.53
7.4.80.0160.00719.39
7.4.70.0030.02016.63
7.4.60.0000.01616.49
7.4.50.0130.00316.37
7.4.40.0130.00316.63
7.4.00.0090.00315.16
7.3.330.0050.00013.21
7.3.320.0000.00513.12
7.3.310.0030.00316.18
7.3.300.0030.00316.30
7.3.290.0090.00916.24
7.3.280.0070.00816.21
7.3.270.0070.01017.40
7.3.260.0090.01016.34
7.3.240.0120.00816.43
7.3.230.0070.01116.50
7.3.210.0050.01316.38
7.3.200.0130.00316.41
7.3.190.0210.00016.50
7.3.180.0160.00316.39
7.3.170.0110.01116.29
7.3.160.0100.00616.43
7.3.120.0120.00315.02
7.3.110.0060.00914.46
7.3.100.0030.00614.73
7.3.90.0090.00314.76
7.3.80.0060.00614.86
7.3.70.0060.00614.89
7.3.60.0070.00714.58
7.3.50.0040.00814.36
7.3.40.0030.00914.71
7.3.30.0000.01414.64
7.3.20.0030.01016.69
7.3.10.0040.01216.55
7.3.00.0070.00716.44
7.2.330.0110.00516.69
7.2.320.0040.01816.61
7.2.310.0130.00316.38
7.2.300.0060.01616.41
7.2.290.0090.01116.55
7.2.240.0000.01515.22
7.2.230.0030.00914.55
7.2.220.0030.00915.01
7.2.210.0090.00614.74
7.2.200.0100.00314.98
7.2.190.0030.00714.67
7.2.180.0030.01314.95
7.2.170.0100.00314.89
7.2.160.0080.00314.80
7.2.150.0030.00716.80
7.2.140.0060.01216.74
7.2.130.0080.00816.69
7.2.120.0060.00816.66
7.2.110.0060.00816.69
7.2.100.0090.00616.85
7.2.90.0050.01116.62
7.2.80.0100.00516.78
7.2.70.0050.01216.98
7.2.60.0050.00816.90
7.2.50.0050.00716.87
7.2.40.0080.00816.60
7.2.30.0070.00816.81
7.2.20.0100.00717.99
7.2.10.0050.00817.95
7.2.00.0080.00817.82
7.1.330.0050.00515.84
7.1.320.0000.00715.42
7.1.310.0030.01015.84
7.1.300.0000.01515.57
7.1.290.0030.00815.87
7.1.280.0080.00815.63
7.1.270.0060.00915.69
7.1.260.0040.01115.77
7.1.250.0090.00515.68
7.1.200.0000.01115.73
7.1.140.0070.01018.83
7.1.130.0060.01118.93
7.1.120.0060.01118.91
7.1.110.0080.00817.84
7.1.100.0060.01317.94
7.1.90.0070.00818.21
7.1.80.0060.01017.98
7.1.70.0060.00917.00
7.1.60.0250.01635.13
7.1.50.0330.01134.80
7.1.40.0240.01234.41
7.1.30.0280.01834.49
7.1.20.0240.01234.53
7.1.10.0070.00916.73
7.1.00.0040.01116.59

preferences:
62.17 ms | 400 KiB | 5 Q