3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 1 => null, 2 => null, 3 => 1, ]; $a = $array[0] ?? 0; var_dump($a); $b = $array[1] ?? 0; var_dump($b); $c = $array[3] ?? 0; var_dump($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)
8.3.60.0090.00918.18
8.3.50.0120.00318.03
8.3.40.0110.00418.65
8.3.30.0060.01018.71
8.3.20.0100.00019.15
8.3.10.0050.00221.95
8.3.00.0080.00020.77
8.2.180.0180.00316.50
8.2.170.0110.00422.96
8.2.160.0070.01020.82
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00419.89
8.2.120.0000.00926.35
8.2.110.0030.00722.25
8.2.100.0120.00019.51
8.2.90.0040.00417.75
8.2.80.0030.00517.97
8.2.70.0080.00017.80
8.2.60.0040.00418.09
8.2.50.0040.00418.10
8.2.40.0020.00519.16
8.2.30.0070.00019.31
8.2.20.0080.00018.11
8.2.10.0000.00718.11
8.2.00.0050.00317.69
8.1.280.0120.00325.92
8.1.270.0080.00019.01
8.1.260.0070.00726.35
8.1.250.0030.00328.09
8.1.240.0030.00622.14
8.1.230.0080.00317.89
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0080.00017.23
8.1.180.0080.00018.10
8.1.170.0040.00418.52
8.1.160.0050.00218.86
8.1.150.0040.00418.79
8.1.140.0040.00422.07
8.1.130.0030.00320.05
8.1.120.0000.00717.29
8.1.110.0000.00717.25
8.1.100.0000.00717.31
8.1.90.0040.00417.37
8.1.80.0000.00817.31
8.1.70.0030.00617.40
8.1.60.0050.00317.57
8.1.50.0000.00817.52
8.1.40.0070.00017.48
8.1.30.0000.00817.54
8.1.20.0060.00317.67
8.1.10.0030.00617.36
8.1.00.0000.00917.44
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0070.00018.37
8.0.270.0040.00417.10
8.0.260.0030.00318.38
8.0.250.0030.00316.76
8.0.240.0030.00316.77
8.0.230.0000.00716.92
8.0.220.0050.00316.82
8.0.210.0030.00316.84
8.0.200.0030.00316.88
8.0.190.0030.00316.91
8.0.180.0030.00616.79
8.0.170.0030.00616.72
8.0.160.0000.00816.78
8.0.150.0040.00416.67
8.0.140.0040.00416.74
8.0.130.0000.00713.19
8.0.120.0000.00716.72
8.0.110.0040.00416.82
8.0.100.0040.00416.69
8.0.90.0050.00316.71
8.0.80.0110.00716.83
8.0.70.0070.00016.86
8.0.60.0070.00016.84
8.0.50.0040.00416.89
8.0.30.0110.00716.99
8.0.20.0090.00917.40
8.0.10.0070.00017.06
8.0.00.0120.00716.66
7.4.330.0030.00315.55
7.4.320.0060.00016.50
7.4.300.0000.00816.52
7.4.290.0070.00016.44
7.4.280.0040.00416.54
7.4.270.0000.00716.53
7.4.260.0050.00216.55
7.4.250.0030.00316.48
7.4.240.0070.00016.49
7.4.230.0000.00616.35
7.4.220.0000.00816.34
7.4.210.0050.01016.52
7.4.200.0030.00316.52
7.4.160.0080.00816.47
7.4.140.0080.01017.86
7.4.130.0140.00316.51
7.4.120.0100.01116.48
7.4.110.0150.00416.48
7.4.100.0110.01116.30
7.4.90.0130.00716.48
7.4.80.0070.01119.39
7.4.70.0160.00016.32
7.4.60.0100.00616.43
7.4.50.0070.01016.53
7.4.40.0110.00816.56
7.4.10.0110.00715.05
7.4.00.0130.00314.95
7.3.330.0000.00613.15
7.3.320.0000.00512.93
7.3.310.0090.00016.15
7.3.300.0040.00416.20
7.3.290.0030.00316.16
7.3.280.0080.00916.24
7.3.260.0090.01116.33
7.3.240.0100.01016.43
7.3.230.0120.00916.13
7.3.210.0070.01016.54
7.3.200.0060.00916.31
7.3.190.0120.01016.15
7.3.180.0090.01316.52
7.3.170.0170.00616.28
7.3.160.0090.01216.17
7.3.130.0060.00914.80
7.3.120.0090.00914.96
7.3.110.0130.00614.53
7.3.100.0030.00914.32
7.3.90.0030.01014.87
7.3.80.0120.00314.98
7.3.70.0090.00614.70
7.3.60.0040.01514.65
7.3.50.0040.00714.77
7.3.40.0030.00814.73
7.3.30.0040.00714.57
7.3.20.0000.01116.66
7.3.10.0060.01216.57
7.3.00.0000.01616.64
7.2.330.0090.00916.22
7.2.320.0100.01416.39
7.2.310.0060.01016.57
7.2.300.0100.00616.50
7.2.290.0090.00616.61
7.2.260.0030.01614.57
7.2.250.0040.01415.15
7.2.240.0030.01215.13
7.2.230.0030.01315.07
7.2.220.0070.01314.71
7.2.210.0110.00015.07
7.2.200.0030.00615.07
7.2.190.0040.00715.10
7.2.180.0030.01214.83
7.2.170.0000.00914.91
7.2.160.0060.00914.76
7.2.150.0040.01116.59
7.2.140.0000.01416.54
7.2.130.0060.00616.90
7.2.120.0070.00716.74
7.2.110.0090.00616.90
7.2.100.0070.01016.86
7.2.90.0070.00716.90
7.2.80.0040.00816.83
7.2.70.0040.01116.68
7.2.60.0070.01116.61
7.2.50.0110.00416.55
7.2.40.0100.00716.70
7.2.30.0130.00616.80
7.2.20.0070.01016.84
7.2.10.0030.01016.66
7.2.00.0060.01016.88
7.1.330.0090.00615.58
7.1.320.0100.00715.75
7.1.310.0110.00415.71
7.1.300.0070.00715.72
7.1.290.0030.00915.63
7.1.280.0070.00715.82
7.1.270.0070.01015.54
7.1.260.0000.01715.71
7.1.250.0090.00615.65
7.1.240.0000.01615.76
7.1.230.0110.00315.67
7.1.220.0080.00815.46
7.1.210.0030.01315.80
7.1.200.0040.01115.89
7.1.190.0100.00715.74
7.1.180.0000.01815.63
7.1.170.0060.00615.58
7.1.160.0030.01315.63
7.1.150.0030.01315.85
7.1.140.0030.00615.49
7.1.130.0060.01015.42
7.1.120.0100.00715.66
7.1.110.0070.00715.75
7.1.100.0110.00015.77
7.1.90.0060.00615.62
7.1.80.0060.00615.61
7.1.70.0060.00615.85
7.1.60.0070.00315.61
7.1.50.0040.00815.77
7.1.40.0100.00315.83
7.1.30.0110.00315.55
7.1.20.0060.00815.56
7.1.10.0000.01315.52
7.1.00.0060.00715.84
7.0.330.0040.01115.18
7.0.320.0070.00415.39
7.0.310.0100.00315.28
7.0.300.0050.00515.08
7.0.290.0040.01115.32
7.0.280.0070.00715.22
7.0.270.0070.00715.35
7.0.260.0070.00315.05
7.0.250.0000.01515.20
7.0.240.0070.00715.15
7.0.230.0130.00315.57
7.0.220.0030.00615.05
7.0.210.0030.00915.27
7.0.200.0030.01415.39
7.0.190.0030.00615.34
7.0.180.0070.00715.27
7.0.170.0070.00715.39
7.0.160.0030.00615.43
7.0.150.0030.01015.39
7.0.140.0080.00415.39
7.0.130.0030.00615.54
7.0.120.0030.00915.32
7.0.110.0040.00815.36
7.0.100.0100.00315.45
7.0.90.0080.00415.20
7.0.80.0000.01015.04
7.0.70.0040.00815.20
7.0.60.0040.01115.40
7.0.50.0090.00315.42
7.0.40.0040.01113.52
7.0.30.0100.00313.11
7.0.20.0030.01313.49
7.0.10.0110.00013.25
7.0.00.0050.00813.47
5.6.400.0090.00614.04
5.6.390.0000.01213.82
5.6.380.0030.00613.90
5.6.370.0080.00814.39
5.6.360.0090.00614.16
5.6.350.0040.00814.06
5.6.340.0120.00613.93
5.6.330.0070.00714.13
5.6.320.0130.00314.16
5.6.310.0090.00614.34
5.6.300.0040.01114.07
5.6.290.0030.01014.03
5.6.280.0030.00914.33
5.6.270.0040.01214.38
5.6.260.0030.01014.25
5.6.250.0090.00614.10
5.6.240.0060.00314.19
5.6.230.0070.00414.02
5.6.220.0070.00713.95
5.6.210.0070.00713.80
5.6.200.0060.00614.15
5.6.190.0070.00714.30
5.6.180.0030.00614.16
5.6.170.0080.00013.89
5.6.160.0150.00014.02
5.6.150.0110.00714.32
5.6.140.0070.00713.84
5.6.130.0060.01213.94
5.6.120.0030.00914.22
5.6.110.0050.00514.36
5.6.100.0030.01013.96
5.6.90.0040.01113.88
5.6.80.0090.00314.04
5.6.70.0000.00813.71
5.6.60.0100.00313.93
5.6.50.0060.00613.99
5.6.40.0070.01014.15
5.6.30.0080.00814.21
5.6.20.0060.01013.91
5.6.10.0100.00313.91
5.6.00.0030.00614.01

preferences:
65.12 ms | 401 KiB | 5 Q