3v4l.org

run code in 500+ PHP versions simultaneously
<?php $post = []; //without casting $post['a'] = '1'; $a = $post['a'] ?? 0; var_dump($a); $post['a'] = '1'; $a = $post['a'] ?? false; var_dump($a); //with casting $post['a'] = '1'; $a = (int)$post['a'] ?? 0; var_dump($a); $post['a'] = '1'; $a = (bool)$post['a'] ?? false; var_dump($a);

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)
8.5.30.0130.00519.45
8.5.20.0110.00719.49
8.5.10.0110.00816.54
8.5.00.0180.00620.20
8.4.180.0110.01119.65
8.4.170.0120.01023.96
8.4.160.0170.00823.90
8.4.150.0070.00616.89
8.4.140.0120.00917.45
8.4.130.0130.00617.50
8.4.120.0030.00720.71
8.4.110.0120.00622.45
8.4.100.0120.00917.78
8.4.90.0140.00618.75
8.4.80.0130.00717.63
8.4.70.0070.00217.77
8.4.60.0090.01020.58
8.4.50.0120.00617.85
8.4.40.0100.01017.82
8.4.30.0100.01020.66
8.4.20.0130.00718.89
8.4.10.0060.00319.42
8.3.300.0080.01220.95
8.3.290.0130.00820.88
8.3.280.0120.00718.70
8.3.270.0110.00816.48
8.3.260.0130.00616.55
8.3.250.0110.00719.13
8.3.240.0120.00716.74
8.3.230.0100.00816.44
8.3.220.0120.00617.26
8.3.210.0060.00416.38
8.3.200.0020.00716.72
8.3.190.0090.00920.83
8.3.180.0070.00316.54
8.3.170.0040.01517.18
8.3.160.0070.01316.57
8.3.150.0160.00318.87
8.3.140.0030.00518.56
8.3.130.0060.00318.55
8.3.120.0080.00020.72
8.3.110.0120.00318.43
8.3.100.0060.00318.54
8.3.90.0040.00426.77
8.3.80.0060.00616.50
8.3.70.0140.00316.58
8.3.60.0090.01318.28
8.3.50.0100.00817.11
8.3.40.0060.01218.80
8.3.30.0110.00418.78
8.3.20.0000.00721.85
8.3.10.0050.00319.32
8.3.00.0070.00021.90
8.2.300.0130.00718.97
8.2.290.0130.00720.35
8.2.280.0100.00918.93
8.2.270.0090.00917.28
8.2.260.0040.00422.43
8.2.250.0090.00016.86
8.2.240.0030.00616.54
8.2.230.0080.00020.94
8.2.220.0070.00324.06
8.2.210.0170.00026.77
8.2.200.0030.00618.54
8.2.190.0040.01416.58
8.2.180.0160.00816.32
8.2.170.0110.01118.79
8.2.160.0030.01722.96
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0070.00026.16
8.2.110.0100.00020.59
8.2.100.0120.00019.64
8.2.90.0000.00820.57
8.2.80.0000.00918.05
8.2.70.0030.00517.93
8.2.60.0000.00818.34
8.2.50.0000.00719.46
8.2.40.0050.00320.61
8.2.30.0070.00020.37
8.2.20.0040.00418.07
8.2.10.0000.00718.97
8.2.00.0030.00618.16
8.1.340.0110.00921.69
8.1.330.0140.00519.87
8.1.320.0060.00316.23
8.1.310.0050.00318.34
8.1.300.0090.00915.91
8.1.290.0060.00330.84
8.1.280.0070.00725.92
8.1.270.0000.00820.73
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0080.00022.05
8.1.230.0120.00020.97
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0000.00917.48
8.1.190.0030.00517.38
8.1.180.0030.00518.10
8.1.170.0030.00518.56
8.1.160.0030.00518.79
8.1.150.0000.00718.82
8.1.140.0080.00020.27
8.1.130.0000.00720.32
8.1.120.0070.00317.55
8.1.110.0000.00817.47
8.1.100.0050.00217.47
8.1.90.0000.00717.42
8.1.80.0080.00017.47
8.1.70.0000.00717.45
8.1.60.0080.00017.52
8.1.50.0030.00517.54
8.1.40.0000.00817.52
8.1.30.0080.00017.72
8.1.20.0000.00917.57
8.1.10.0000.00817.47
8.1.00.0000.00817.39
8.0.300.0030.00620.09
8.0.290.0080.00016.75
8.0.280.0030.00318.54
8.0.270.0030.00517.34
8.0.260.0030.00318.51
8.0.250.0030.00317.03
8.0.240.0030.00316.88
8.0.230.0040.00416.87
8.0.220.0030.00316.83
8.0.210.0000.00616.88
8.0.200.0060.00016.97
8.0.190.0000.00817.04
8.0.180.0050.00317.00
8.0.170.0030.00616.94
8.0.160.0050.00216.91
8.0.150.0070.00016.84
8.0.140.0000.00716.77
8.0.130.0050.00013.38
8.0.120.0000.00716.79
8.0.110.0020.00516.88
8.0.100.0040.00416.82
8.0.90.0040.00416.79
8.0.80.0110.00516.94
8.0.70.0020.00516.95
8.0.60.0050.00216.78
8.0.50.0070.00016.88
8.0.30.0150.00517.22
8.0.20.0100.01017.04
8.0.10.0040.00317.06
8.0.00.0070.01116.82
7.4.330.0000.00516.67
7.4.320.0000.00616.46
7.4.300.0030.00316.51
7.4.290.0040.00416.48
7.4.280.0040.00416.55
7.4.270.0040.00416.67
7.4.260.0000.00816.54
7.4.250.0030.00316.50
7.4.240.0030.00316.45
7.4.230.0030.00316.55
7.4.220.0070.00016.43
7.4.210.0040.01016.51
7.4.200.0080.00016.71
7.4.160.0090.00816.43
7.4.130.0140.00416.66
7.4.120.0150.00716.71
7.4.110.0130.01016.57
7.4.100.0170.00016.55
7.4.90.0100.00716.55
7.4.80.0120.00619.39
7.4.70.0160.00616.45
7.4.60.0060.01016.39
7.4.50.0060.00516.29
7.4.40.0160.00016.66
7.4.00.0040.01414.98
7.3.330.0050.00013.02
7.3.320.0050.00013.09
7.3.310.0030.00316.35
7.3.300.0000.00616.19
7.3.290.0040.01016.33
7.3.280.0030.01516.22
7.3.260.0100.00716.37
7.3.240.0090.00816.44
7.3.230.0110.00616.21
7.3.210.0140.01216.29
7.3.200.0120.00916.20
7.3.190.0100.01016.27
7.3.180.0150.00716.36
7.3.170.0090.00616.58
7.3.160.0070.01016.52
7.3.50.0120.00814.71
7.3.40.0080.00314.74
7.3.30.0070.01414.72
7.3.20.0030.00916.32
7.3.10.0110.00016.57
7.3.00.0060.01216.46
7.2.330.0160.01716.78
7.2.320.0100.00716.48
7.2.310.0100.00716.70
7.2.300.0060.01116.47
7.2.290.0130.00316.50
7.2.180.0120.00914.76
7.2.170.0120.00015.13
7.2.160.0090.00315.10
7.2.150.0040.00716.77
7.2.140.0040.00716.75
7.2.130.0100.00416.82
7.2.120.0060.00916.98
7.2.110.0090.00617.01
7.2.100.0030.01017.00
7.2.90.0040.00816.96
7.2.80.0100.01016.95
7.2.70.0100.01316.70
7.2.60.0030.01116.84
7.2.50.0060.00616.72
7.2.40.0120.00616.95
7.2.30.0040.01117.06
7.2.20.0100.01016.82
7.2.10.0090.00316.96
7.2.00.0130.01016.93
7.1.280.0130.00715.75
7.1.270.0070.00315.80
7.1.260.0050.00915.68
7.1.250.0070.00315.68

preferences:
44.98 ms | 1413 KiB | 5 Q