3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tests = [ [], // expect null [true, true], // expect true [false, false], // expect false [true, true, false, true], // expect null [false, false, true, false], // expect null ]; foreach ($tests as $bools) { echo "\n"; var_export( (function($bools) { foreach ($bools as $b) { $first ??= $b; if ($first !== $b) { return null; } } return $first ?? null; })($bools) ); }

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)
8.5.10.0100.00719.67
8.5.00.0170.01019.89
8.4.150.0010.00114.05
8.4.140.0100.01317.61
8.4.130.0100.01017.65
8.4.120.0130.00720.40
8.4.110.0080.00522.38
8.4.100.0130.00717.80
8.4.90.0050.00517.70
8.4.80.0070.00317.78
8.4.70.0100.01117.61
8.4.60.0150.00617.62
8.4.50.0080.00317.75
8.4.40.0100.01017.52
8.4.30.0130.00624.17
8.4.20.0030.01719.15
8.4.10.0060.01319.35
8.3.280.0100.01018.38
8.3.270.0090.01016.66
8.3.260.0120.00716.57
8.3.250.0100.00918.91
8.3.240.0030.00416.77
8.3.230.0150.00416.86
8.3.220.0080.01018.96
8.3.210.0030.00516.53
8.3.200.0100.00916.66
8.3.190.0080.00616.69
8.3.180.0070.01016.69
8.3.170.0040.01417.34
8.3.160.0070.01118.44
8.3.150.0090.00916.84
8.3.140.0000.00816.48
8.3.130.0030.01316.57
8.3.120.0330.00816.49
8.3.110.0310.01216.27
8.3.100.0290.01916.41
8.3.90.0330.01516.34
8.3.80.0360.01216.38
8.3.70.0400.01216.21
8.3.60.0360.01316.54
8.3.50.0320.00716.51
8.3.40.0150.00317.46
8.3.30.0140.00317.53
8.3.20.0180.00417.50
8.3.10.0270.00317.34
8.3.00.0190.00419.19
8.2.290.0120.00516.61
8.2.280.0120.00716.86
8.2.270.0080.00018.27
8.2.260.0150.00317.21
8.2.250.0030.00618.35
8.2.240.0210.00616.47
8.2.230.0270.00016.57
8.2.220.0190.00416.12
8.2.210.0300.00015.99
8.2.200.0280.00316.61
8.2.190.0290.00616.57
8.2.180.0230.00316.51
8.2.170.0340.00817.55
8.2.160.0370.00717.53
8.2.150.0340.00917.27
8.2.140.0260.02017.22
8.2.130.0390.00017.53
8.2.120.0270.00717.38
8.2.110.0320.00617.64
8.2.100.0480.00417.40
8.2.90.0380.00917.48
8.2.80.0310.01217.20
8.2.70.0300.01317.23
8.2.60.0210.01817.66
8.2.50.0390.00417.61
8.2.40.0320.00417.39
8.2.30.0220.01417.46
8.2.20.0240.01417.44
8.2.10.0310.00717.27
8.2.00.0330.00617.63
8.1.330.0100.00816.21
8.1.320.0110.00818.00
8.1.310.0070.00016.51
8.1.300.0270.01116.02
8.1.290.0210.01716.07
8.1.280.0320.00916.00
8.1.270.0270.01617.34
8.1.260.0330.01117.21
8.1.250.0330.00317.24
8.1.240.0290.01017.10
8.1.230.0200.01317.20
8.1.220.0270.00417.13
8.1.210.0200.01017.22
8.1.200.0130.00517.18
8.1.190.0150.00317.06
8.1.180.0270.01017.13
8.1.170.0300.00717.26
8.1.160.0280.00917.20
8.1.150.0340.00617.00
8.1.140.0170.02117.21
8.1.130.0370.00716.72
8.1.120.0300.00916.81
8.1.110.0300.00317.08
8.1.100.0200.01017.19
8.1.90.0240.00717.32
8.1.80.0290.00617.22
8.1.70.0360.00017.38
8.1.60.0300.01017.18
8.1.50.0410.00017.23
8.1.40.0250.01617.34
8.1.30.0300.00717.27
8.1.20.0260.01317.38
8.1.10.0290.01017.14
8.1.00.0270.01416.91

preferences:
67.85 ms | 403 KiB | 5 Q