3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['bar' => '42']; var_dump($a['foo'] ?? 42); var_dump($a['bar'] ?? 42); var_dump((int)($a['foo'] ?? 42)); var_dump((int)($a['bar'] ?? 42));

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)
8.3.60.0150.00018.38
8.3.50.0160.00321.99
8.3.40.0170.00318.49
8.3.30.0080.00818.35
8.3.20.0040.00418.91
8.3.10.0050.00221.60
8.3.00.0040.00419.00
8.2.180.0070.01018.29
8.2.170.0150.00622.96
8.2.160.0130.00720.57
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.00522.20
8.2.120.0050.00226.35
8.2.110.0030.00620.99
8.2.100.0080.00417.84
8.2.90.0080.00020.59
8.2.80.0050.00319.18
8.2.70.0000.00818.04
8.2.60.0000.00918.03
8.2.50.0030.00618.10
8.2.40.0090.00020.46
8.2.30.0040.00719.23
8.2.20.0040.00418.08
8.2.10.0040.00418.05
8.2.00.0000.00717.48
8.1.280.0040.01125.92
8.1.270.0080.00023.96
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0060.00322.33
8.1.230.0060.00620.77
8.1.220.0000.00817.74
8.1.210.0000.00818.91
8.1.200.0000.00817.23
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0040.00420.80
8.1.160.0070.00018.86
8.1.150.0030.00320.12
8.1.140.0000.00719.61
8.1.130.0030.00517.77
8.1.120.0050.00217.28
8.1.110.0080.00017.34
8.1.100.0080.00017.50
8.1.90.0000.00717.48
8.1.80.0070.00017.45
8.1.70.0060.00317.50
8.1.60.0020.00517.57
8.1.50.0030.00617.50
8.1.40.0020.00517.55
8.1.30.0000.00817.66
8.1.20.0040.00417.71
8.1.10.0040.00417.43
8.1.00.0080.00017.32
8.0.300.0030.00519.77
8.0.290.0080.00016.63
8.0.280.0040.00418.36
8.0.270.0070.00017.18
8.0.260.0060.00317.10
8.0.250.0030.00316.84
8.0.240.0050.00316.76
8.0.230.0070.00016.91
8.0.220.0030.00316.84
8.0.210.0030.00316.84
8.0.200.0040.00416.92
8.0.190.0050.00316.91
8.0.180.0070.00016.71
8.0.170.0040.00416.88
8.0.160.0040.00416.82
8.0.150.0040.00416.76
8.0.140.0000.00816.80
8.0.130.0000.00813.32
8.0.120.0000.00816.68
8.0.110.0050.00316.85
8.0.100.0070.00016.64
8.0.90.0080.00016.87
8.0.80.0060.01316.79
8.0.70.0050.00216.70
8.0.60.0040.00416.79
8.0.50.0040.00416.77
8.0.30.0110.00916.86
8.0.20.0160.01317.40
8.0.10.0030.00617.04
8.0.00.0150.00316.39
7.4.330.0000.00515.55
7.4.320.0030.00316.49
7.4.300.0000.00716.59
7.4.290.0070.00016.51
7.4.280.0000.00916.46
7.4.270.0000.00716.58
7.4.260.0070.00016.48
7.4.250.0070.00016.54
7.4.240.0000.00716.48
7.4.230.0070.00016.61
7.4.220.0130.00716.47
7.4.210.0080.01116.45
7.4.200.0000.00716.70
7.4.160.0080.00816.39
7.4.150.0080.01117.40
7.4.140.0100.00817.86
7.4.130.0110.00816.55
7.4.120.0130.00616.54
7.4.110.0130.01016.44
7.4.100.0130.00316.25
7.4.90.0070.01016.46
7.4.80.0130.00519.39
7.4.70.0140.00316.34
7.4.60.0120.00816.57
7.4.50.0100.00016.18
7.4.40.0100.00616.21
7.4.30.0110.01116.54
7.4.00.0090.00914.98
7.3.330.0000.00513.03
7.3.320.0020.00313.00
7.3.310.0070.00016.39
7.3.300.0030.00316.10
7.3.290.0040.01116.31
7.3.280.0090.00716.26
7.3.270.0100.00617.40
7.3.260.0110.00916.30
7.3.250.0130.00516.35
7.3.240.0080.01016.43
7.3.230.0140.00316.39
7.3.210.0030.01316.47
7.3.200.0030.01716.57
7.3.190.0070.01116.54
7.3.180.0030.01216.25
7.3.170.0090.00616.30
7.3.160.0130.00316.57
7.3.120.0070.01014.70
7.3.110.0140.00314.68
7.3.100.0060.00315.00
7.3.90.0030.01214.74
7.3.80.0110.00414.53
7.3.70.0060.00614.87
7.3.60.0030.01414.68
7.3.50.0000.01514.46
7.3.40.0060.00614.85
7.3.30.0120.00314.71
7.3.20.0030.01216.80
7.3.10.0080.00816.58
7.3.00.0090.00616.57
7.2.330.0060.01216.71
7.2.320.0100.01016.35
7.2.310.0100.00716.40
7.2.300.0090.00916.42
7.2.290.0100.00616.67
7.2.250.0090.00614.84
7.2.240.0060.01114.71
7.2.230.0030.01315.08
7.2.220.0090.00614.94
7.2.210.0030.01014.84
7.2.200.0060.00915.05
7.2.190.0000.00914.84
7.2.180.0060.00615.04
7.2.170.0070.00715.16
7.2.60.0310.00616.63
7.2.50.0060.00916.72
7.2.00.0000.01219.41
7.1.330.0070.00715.80
7.1.320.0150.00015.64
7.1.310.0030.01015.83
7.1.300.0000.01515.80
7.1.290.0060.00315.82
7.1.280.0000.00815.70
7.1.270.0060.00915.77
7.1.260.0030.00915.95
7.1.200.0060.00615.72
7.1.70.0030.00617.13
7.1.60.0040.01117.13
7.1.50.0130.00916.95
7.1.00.0470.07720.50
7.0.200.0060.01016.69
7.0.130.0230.06320.34
7.0.120.0600.05020.38
7.0.110.0530.06720.31
7.0.100.0470.05320.30
7.0.90.0530.07020.32
7.0.80.0530.08720.20
7.0.70.0370.05720.30
7.0.60.0330.06320.08
7.0.50.0270.07020.18
7.0.40.0470.07320.18
7.0.30.0470.05720.28
7.0.20.0400.05320.18
7.0.10.0530.05720.15
7.0.00.0500.06020.38
5.6.280.0170.07021.08
5.6.270.0100.07020.81
5.6.260.0170.06321.02
5.6.250.0100.06721.11
5.6.240.0300.06020.84
5.6.230.0170.07321.11
5.6.220.0100.06020.93
5.6.210.0070.06320.90
5.6.200.0130.07021.05
5.6.190.0270.06020.80
5.6.180.0070.07721.08
5.6.170.0000.07020.81
5.6.160.0170.05721.05
5.6.150.0170.05721.02
5.6.140.0130.05720.72
5.6.130.0170.05020.84
5.6.120.0170.06021.03
5.6.110.0070.06720.71
5.6.100.0230.07021.03
5.6.90.0100.07720.99
5.6.80.0170.05320.11
5.6.70.0270.05020.18
5.6.60.0130.06320.25
5.6.50.0130.07320.45
5.6.40.0170.05320.23
5.6.30.0130.07020.25
5.6.20.0100.07320.16
5.6.10.0130.06720.21
5.6.00.0030.07720.44

preferences:
61.04 ms | 401 KiB | 5 Q