3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null; print $a ?: 'b'; print "\n"; print $c ?: 'a'; print "\n"; $b = array('a' => null); print $b['a'] ?? 'd'; print "\n"; print $b['a'] ?: 'd'; print "\n"; print $b['c'] ?? 'e'; print "\n"; print $b['c'] ?: 'e'; print "\n";

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)
8.3.60.0070.00718.43
8.3.50.0140.00318.14
8.3.40.0120.00318.80
8.3.30.0070.00718.81
8.3.20.0040.00420.65
8.3.10.0040.00421.66
8.3.00.0040.00420.67
8.2.180.0070.01716.75
8.2.170.0040.01122.96
8.2.160.0100.00322.13
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0000.00826.35
8.2.110.0060.00322.20
8.2.100.0040.00719.40
8.2.90.0030.00519.76
8.2.80.0080.00018.16
8.2.70.0000.00818.03
8.2.60.0030.00518.22
8.2.50.0080.00018.10
8.2.40.0040.00422.16
8.2.30.0040.00419.29
8.2.20.0040.00418.16
8.2.10.0000.00818.94
8.2.00.0050.00219.13
8.1.280.0040.01125.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0000.00920.50
8.1.230.0080.00420.79
8.1.220.0050.00219.10
8.1.210.0000.00818.77
8.1.200.0000.00917.36
8.1.190.0000.00917.13
8.1.180.0030.00618.10
8.1.170.0050.00318.65
8.1.160.0000.00720.28
8.1.150.0000.00718.84
8.1.140.0040.00418.90
8.1.130.0030.00320.10
8.1.120.0070.00017.46
8.1.110.0000.00817.34
8.1.100.0050.00317.34
8.1.90.0050.00317.42
8.1.80.0030.00517.45
8.1.70.0040.00417.46
8.1.60.0000.00817.58
8.1.50.0000.00717.48
8.1.40.0080.00417.41
8.1.30.0030.00517.54
8.1.20.0040.00417.67
8.1.10.0000.00817.48
8.1.00.0050.00317.42
8.0.300.0000.00821.59
8.0.290.0000.00716.75
8.0.280.0030.00318.48
8.0.270.0050.00317.37
8.0.260.0030.00519.94
8.0.250.0030.00317.07
8.0.240.0060.00017.03
8.0.230.0000.00716.97
8.0.220.0040.00416.96
8.0.210.0070.00016.84
8.0.200.0030.00316.86
8.0.190.0030.00516.99
8.0.180.0060.00316.88
8.0.170.0000.00916.93
8.0.160.0000.00816.83
8.0.150.0000.00716.90
8.0.140.0070.00016.93
8.0.130.0030.00313.41
8.0.120.0040.00416.92
8.0.110.0000.00816.94
8.0.100.0040.00416.83
8.0.90.0030.00616.85
8.0.80.0030.01016.90
8.0.70.0020.00516.90
8.0.60.0070.00017.01
8.0.50.0000.00717.02
8.0.30.0100.00716.91
8.0.20.0140.00517.35
8.0.10.0050.00317.04
8.0.00.0160.00716.88
7.4.330.0000.00515.55
7.4.320.0060.00016.50
7.4.300.0060.00016.51
7.4.290.0040.00416.40
7.4.280.0040.00416.58
7.4.270.0080.00016.54
7.4.260.0060.00013.28
7.4.250.0050.00516.61
7.4.240.0030.00416.56
7.4.230.0030.00316.71
7.4.220.0000.00716.58
7.4.210.0040.01016.55
7.4.200.0040.00416.70
7.4.130.0070.01316.65
7.4.120.0090.01516.49
7.4.110.0110.00616.48
7.4.100.0100.00716.61
7.4.90.0030.01816.62
7.4.80.0090.00919.39
7.4.70.0060.00916.48
7.4.60.0110.00516.40
7.4.50.0060.00916.43
7.4.40.0060.01116.48
7.4.00.0030.01114.76
7.3.330.0040.00416.32
7.3.320.0030.00313.00
7.3.310.0000.00716.09
7.3.300.0030.00316.07
7.3.290.0070.00716.31
7.3.280.0090.00616.32
7.3.260.0140.00316.38
7.3.230.0040.01216.25
7.3.210.0060.00916.57
7.3.200.0060.01016.21
7.3.190.0130.00316.42
7.3.180.0100.00716.48
7.3.170.0060.01016.57
7.3.160.0160.00016.50
7.3.110.0100.01014.76
7.3.100.0150.00614.86
7.3.90.0160.00314.87
7.3.80.0060.01014.98
7.3.70.0070.01014.76
7.3.60.0080.00514.81
7.3.50.0100.00314.88
7.3.40.0120.00314.89
7.3.30.0070.00814.82
7.3.20.0150.00414.85
7.3.10.0120.00914.86
7.3.00.0000.01514.83
7.2.330.0120.00616.31
7.2.320.0090.00816.43
7.2.310.0130.00316.43
7.2.300.0060.01216.52
7.2.290.0110.00716.36
7.2.240.0140.00315.09
7.2.230.0090.00914.88
7.2.220.0060.00915.04
7.2.210.0090.00614.89
7.2.200.0090.00715.01
7.2.190.0040.01014.77
7.2.180.0090.00615.07
7.2.170.0100.00614.89
7.2.160.0060.01315.03
7.2.150.0060.00915.16
7.2.140.0090.01214.83
7.2.130.0100.00715.05
7.2.120.0050.01514.93
7.2.110.0060.01414.83
7.2.100.0170.00015.16
7.2.90.0030.01314.98
7.2.80.0060.00914.86
7.2.70.0090.00615.16
7.2.60.0190.00915.04
7.2.50.0130.00315.12
7.2.40.0140.00714.99
7.2.30.0130.00915.05
7.2.20.0110.00615.09
7.2.10.0100.00614.95
7.2.00.0080.00814.97
7.1.330.0120.00413.89
7.1.320.0090.00914.00
7.1.310.0030.01313.94
7.1.300.0100.00313.75
7.1.290.0130.00613.67
7.1.280.0110.00413.88
7.1.270.0060.01313.83
7.1.260.0090.00613.73
7.1.250.0030.01313.86

preferences:
57.56 ms | 400 KiB | 5 Q