3v4l.org

run code in 300+ PHP versions simultaneously
<?php $requiredFields = ['name', 'age', 'hair_colour']; // Note: $errorArray is not initialised foreach ( $requiredFields as $field ) { if ( ! isset($_POST[$field]) ) { $errorArray[] = "Missing required field '$field'. "; } } echo implode('', $errorArray);

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)
8.4.120.0050.00420.58
8.4.110.0080.01422.45
8.4.100.0100.01117.98
8.4.90.0100.01018.40
8.4.80.0120.00817.57
8.4.70.0040.00417.70
8.4.60.0130.00718.61
8.4.50.0030.00617.70
8.4.40.0150.00619.43
8.4.30.0100.00720.42
8.4.20.0080.00017.83
8.4.10.0100.00720.39
8.3.250.0070.00118.95
8.3.240.0140.00616.62
8.3.230.0140.00516.91
8.3.220.0110.00817.13
8.3.210.0060.00916.57
8.3.200.0050.00416.37
8.3.190.0140.00420.70
8.3.180.0090.00916.91
8.3.170.0060.01218.98
8.3.160.0040.00417.34
8.3.150.0110.00717.07
8.3.140.0080.00016.44
8.3.130.0060.00318.34
8.3.120.0110.00718.78
8.3.110.0080.00020.94
8.3.100.0000.00816.43
8.3.90.0040.00426.77
8.3.80.0070.00416.75
8.3.70.0110.00416.75
8.3.60.0120.00316.50
8.3.50.0140.00318.55
8.3.40.0130.00720.37
8.3.30.0060.00919.42
8.3.20.0000.00924.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.290.0090.01020.64
8.2.280.0080.00518.45
8.2.270.0040.01116.96
8.2.260.0040.00416.48
8.2.250.0000.00918.27
8.2.240.0030.00618.13
8.2.230.0100.00722.58
8.2.220.0090.00024.06
8.2.210.0000.00726.77
8.2.200.0060.00316.50
8.2.190.0090.00916.75
8.2.180.0110.00425.92
8.2.170.0120.00319.10
8.2.160.0160.00322.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0050.00319.81
8.2.110.0070.00322.25
8.2.100.0120.00017.84
8.2.90.0080.00017.72
8.2.80.0050.00319.20
8.2.70.0050.00317.63
8.2.60.0000.00818.02
8.2.50.0060.00317.98
8.2.40.0040.00418.15
8.2.30.0040.00418.19
8.2.20.0040.00420.44
8.2.10.0040.00418.16
8.2.00.0070.00019.23
8.1.330.0120.00620.30
8.1.320.0090.01016.16
8.1.310.0060.00316.87
8.1.300.0030.00616.11
8.1.290.0040.00730.84
8.1.280.0070.00725.92
8.1.270.0080.00023.99
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0070.01023.79
8.1.230.0030.00722.75
8.1.220.0030.00617.74
8.1.210.0050.00318.78
8.1.200.0060.00317.35
8.1.190.0060.00317.35
8.1.180.0000.00818.10
8.1.170.0000.00819.13
8.1.160.0000.00718.95
8.1.150.0070.00318.55
8.1.140.0040.00417.45
8.1.130.0000.00718.81
8.1.120.0070.00017.47
8.1.110.0000.00717.50
8.1.100.0050.00217.38
8.1.90.0050.00517.34
8.1.80.0030.00617.35
8.1.70.0030.00317.48
8.1.60.0030.00617.52
8.1.50.0000.00817.39
8.1.40.0190.00317.50
8.1.30.0070.00517.68
8.1.20.0030.00617.54
8.1.10.0100.00017.55
8.1.00.0230.00317.40
8.0.300.0060.00320.14
8.0.290.0070.00016.75
8.0.280.0030.00318.32
8.0.270.0030.00316.70
8.0.260.0030.00318.36
8.0.250.0070.00017.01
8.0.240.0040.00416.97
8.0.230.0000.00816.87
8.0.220.0000.00716.87
8.0.210.0040.00416.89
8.0.200.0000.00816.86
8.0.190.0050.00316.80
8.0.180.0080.00016.90
8.0.170.0120.00416.89
8.0.160.0070.00716.83
8.0.150.0080.00316.82
8.0.140.0180.00016.82
8.0.130.0140.00516.90
8.0.120.0170.00316.83
8.0.110.0090.00916.83
8.0.100.0080.00816.81
8.0.90.0120.00416.79
8.0.80.0160.00316.88
8.0.70.0130.00516.76
8.0.60.0120.00516.88
8.0.50.0080.00416.84
8.0.30.0040.00416.75
8.0.20.0030.00516.99
8.0.10.0000.00717.01
7.4.330.0000.00615.55
7.4.320.0060.00016.61
7.4.300.0030.00316.50
7.4.290.0000.00816.42
7.4.280.0020.00516.62
7.4.270.0040.00416.51
7.4.260.0040.00416.59
7.4.250.0050.00516.47
7.4.240.0060.00316.53
7.4.230.0090.00016.50
7.4.220.0090.00016.59
7.4.210.0070.00216.55
7.4.200.0100.00016.59
7.4.190.0000.01016.49
7.4.180.0050.00516.50
7.4.160.0130.00016.65
7.4.150.0030.00616.39
7.4.140.0000.00916.29
7.4.130.0070.00216.37
7.4.120.0090.00416.52
7.4.110.0150.00016.37
7.4.100.0120.00316.60
7.4.90.0140.00616.52
7.4.80.0170.00416.49
7.4.70.0190.00016.42
7.4.60.0130.00616.37
7.4.50.0150.00416.23
7.4.40.0140.00516.34
7.4.30.0110.00016.47
7.4.20.0100.00316.43
7.4.10.0140.00016.54
7.4.00.0070.00216.49

preferences:
27.99 ms | 403 KiB | 5 Q