3v4l.org

run code in 300+ PHP versions simultaneously
<?php function incre() { return [ 1 => null, 2 => null, 3 => 1, ]; } $a = incre()[0] ?? 0; var_dump($a); $b = incre()[1] ?? 0; var_dump($b); $c = incre()[3] ?? 0; var_dump($c);

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)
8.3.60.0120.00918.30
8.3.50.0040.01118.03
8.3.40.0140.00418.67
8.3.30.0000.01518.52
8.3.20.0060.00319.21
8.3.10.0040.00423.71
8.3.00.0040.00420.64
8.2.180.0130.00718.29
8.2.170.0040.01222.96
8.2.160.0080.00620.77
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00019.73
8.2.120.0080.00026.35
8.2.110.0070.00319.29
8.2.100.0040.01117.72
8.2.90.0030.00517.75
8.2.80.0000.00917.97
8.2.70.0050.00318.04
8.2.60.0040.00418.16
8.2.50.0050.00318.10
8.2.40.0000.00819.34
8.2.30.0070.00019.31
8.2.20.0040.00417.96
8.2.10.0040.00418.04
8.2.00.0030.00517.70
8.1.280.0000.01425.92
8.1.270.0030.00618.93
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00019.13
8.1.230.0110.00022.20
8.1.220.0040.00417.75
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.00817.00
8.1.180.0090.00018.10
8.1.170.0030.00518.57
8.1.160.0000.00718.75
8.1.150.0000.00718.82
8.1.140.0080.00022.10
8.1.130.0000.00717.42
8.1.120.0030.00317.32
8.1.110.0040.00317.27
8.1.100.0030.00317.40
8.1.90.0050.00317.41
8.1.80.0080.00017.42
8.1.70.0000.01017.34
8.1.60.0030.00517.59
8.1.50.0040.00417.52
8.1.40.0070.00017.39
8.1.30.0080.00017.50
8.1.20.0000.00817.63
8.1.10.0030.00717.46
8.1.00.0000.00817.36
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0040.00418.36
8.0.270.0070.00017.19
8.0.260.0000.00716.73
8.0.250.0000.00716.88
8.0.240.0030.00316.79
8.0.230.0030.00316.92
8.0.220.0000.00716.80
8.0.210.0030.00316.80
8.0.200.0070.00016.73
8.0.190.0030.00316.84
8.0.180.0040.00416.82
8.0.170.0000.00816.83
8.0.160.0070.00016.83
8.0.150.0040.00416.65
8.0.140.0000.00716.71
8.0.130.0030.00313.26
8.0.120.0000.00816.81
8.0.110.0040.00416.85
8.0.100.0070.00016.68
8.0.90.0000.00716.71
8.0.80.0090.00616.76
8.0.70.0050.00316.62
8.0.60.0070.00016.95
8.0.50.0020.00516.68
8.0.30.0100.01116.95
8.0.20.0040.01917.40
8.0.10.0000.00717.01
8.0.00.0140.00816.96
7.4.330.0050.00015.55
7.4.320.0000.00616.36
7.4.300.0000.00816.50
7.4.290.0050.00316.52
7.4.280.0000.00916.40
7.4.270.0030.00316.49
7.4.260.0050.00216.63
7.4.250.0050.00216.47
7.4.240.0000.00716.36
7.4.230.0000.00716.34
7.4.220.0030.00516.62
7.4.210.0050.00916.63
7.4.200.0000.00716.69
7.4.160.0060.01016.49
7.4.140.0090.00917.86
7.4.130.0120.00616.58
7.4.120.0120.00816.47
7.4.110.0040.01316.42
7.4.100.0090.00616.38
7.4.90.0030.01316.35
7.4.80.0030.01419.39
7.4.70.0030.01416.59
7.4.60.0090.00616.30
7.4.50.0040.01116.60
7.4.40.0040.01416.57
7.4.00.0020.01214.90
7.3.330.0030.00313.23
7.3.320.0050.00013.23
7.3.310.0030.00616.30
7.3.300.0030.00316.22
7.3.290.0030.00316.21
7.3.280.0080.00916.32
7.3.260.0110.00916.42
7.3.240.0120.00716.28
7.3.230.0080.01116.29
7.3.210.0130.01016.16
7.3.200.0110.00516.27
7.3.190.0120.01116.49
7.3.180.0070.01516.43
7.3.170.0060.01316.20
7.3.160.0100.00716.42
7.3.120.0100.00614.93
7.3.110.0080.00814.77
7.3.100.0030.01314.85
7.3.90.0050.00814.81
7.3.80.0090.00814.47
7.3.70.0110.00314.69
7.3.60.0050.00714.59
7.3.50.0080.00914.79
7.3.40.0080.00614.77
7.3.30.0070.00714.68
7.3.20.0020.01216.62
7.3.10.0070.01016.66
7.3.00.0060.00816.47
7.2.330.0100.00716.50
7.2.320.0100.01316.32
7.2.310.0120.00616.38
7.2.300.0090.00616.34
7.2.290.0000.01816.64
7.2.250.0040.01514.65
7.2.240.0060.01114.89
7.2.230.0040.01414.82
7.2.220.0050.00814.87
7.2.210.0020.01414.80
7.2.200.0090.00615.04
7.2.190.0060.01014.88
7.2.180.0020.01215.02
7.2.170.0060.00914.97
7.2.160.0110.00314.93
7.2.150.0060.00916.53
7.2.140.0000.01416.76
7.2.130.0000.01516.76
7.2.120.0060.00816.92
7.2.110.0200.01415.59
7.2.100.0340.00615.67
7.2.90.0340.00315.81
7.2.80.0270.00715.64
7.2.70.0230.00815.72
7.2.60.0260.00515.65
7.2.50.0210.00915.88
7.2.40.0210.01015.94
7.2.30.0220.01115.98
7.2.20.0250.00915.80
7.2.10.0260.00815.64
7.2.00.0290.00915.97
7.1.330.0100.00415.86
7.1.320.0070.00515.61
7.1.310.0040.01215.88
7.1.300.0060.00915.67
7.1.290.0040.00915.69
7.1.280.0050.00915.63
7.1.270.0030.01115.66
7.1.260.0070.00415.75
7.1.250.0040.01115.60
7.1.230.0290.00613.81
7.1.220.0370.00413.71
7.1.210.0430.00313.90
7.1.200.0430.00013.64
7.1.190.0410.00313.99
7.1.180.0420.00313.59
7.1.170.0360.01013.95
7.1.160.0350.01013.90
7.1.150.0410.00313.82
7.1.140.0390.00713.79
7.1.130.0440.00913.81
7.1.120.0450.00913.66
7.1.110.0470.00313.86
7.1.100.0440.00613.79
7.1.90.1560.01013.92
7.1.80.0420.00813.89
7.1.70.0690.00813.80
7.1.60.0750.00031.82
7.1.50.0880.00631.91
7.1.40.1150.01031.93
7.1.30.0870.01131.71
7.1.20.0820.01631.86
7.1.10.0780.00913.63
7.1.00.0700.00313.76
5.6.380.0060.00614.10

preferences:
73.23 ms | 400 KiB | 5 Q