3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_GET['id'] = '5'; function non_literal(string $a): string { $unpacked = unpack('C*', $a); foreach ($unpacked as $i => $v) { $unpacked[$i] = (int)($v & 0xff); } return pack(str_repeat('C', count($unpacked)), ...$unpacked); } $literal = $_GET['id']; var_dump( is_literal($literal), is_literal(non_literal($literal)) );

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)
8.3.70.0150.00616.63
8.3.60.0140.00718.41
8.3.50.0130.00918.05
8.3.40.0090.00618.66
8.3.30.0120.00318.66
8.3.20.0060.00324.18
8.3.10.0080.00024.66
8.3.00.0000.00826.16
8.2.190.0060.00918.50
8.2.180.0100.00725.92
8.2.170.0070.00719.04
8.2.160.0100.00322.96
8.2.150.0030.00625.66
8.2.140.0070.00024.66
8.2.130.0060.00326.16
8.2.120.0040.00426.16
8.2.110.0060.00320.57
8.2.100.0080.00417.97
8.2.90.0060.00318.00
8.2.80.0080.00018.95
8.2.70.0030.00518.05
8.2.60.0060.00318.22
8.2.50.0030.00618.10
8.2.40.0000.00821.06
8.2.30.0040.00419.19
8.2.20.0000.00718.13
8.2.10.0070.00019.29
8.2.00.0000.00719.30
8.1.280.0140.00325.92
8.1.270.0040.00423.99
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0090.00020.96
8.1.230.0040.00717.89
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0000.00917.25
8.1.190.0050.00317.13
8.1.180.0050.00518.10
8.1.170.0050.00318.66
8.1.160.0030.00520.56
8.1.150.0080.00018.77
8.1.140.0000.00718.86
8.1.130.0000.00720.14
8.1.120.0050.00317.49
8.1.110.0030.00317.49
8.1.100.0040.00717.38
8.1.90.0070.00017.35
8.1.80.0030.00617.46
8.1.70.0030.00317.38
8.1.60.0000.00817.54
8.1.50.0050.00317.45
8.1.40.0040.00417.41
8.1.30.0040.00417.72
8.1.20.0050.00317.55
8.1.10.0090.00317.51
8.1.00.0030.00617.58
8.0.300.0040.00418.77
8.0.290.0090.00016.75
8.0.280.0040.00418.36
8.0.270.0070.00016.81
8.0.260.0030.00318.49
8.0.250.0030.00317.03
8.0.240.0060.00016.92
8.0.230.0070.00017.00
8.0.220.0030.00516.97
8.0.210.0000.00916.85
8.0.200.0030.00317.06
8.0.190.0000.00816.94
8.0.180.0000.00716.88
8.0.170.0090.00016.95
8.0.160.0090.00016.92
8.0.150.0040.00416.73
8.0.140.0070.00416.75
8.0.130.0030.00313.31
8.0.120.0050.00316.95
8.0.110.0000.00716.86
8.0.100.0000.00716.82
8.0.90.0000.00916.84
8.0.80.0080.01116.88
8.0.70.0040.00416.89
8.0.60.0050.00216.91
8.0.50.0050.00217.00
8.0.30.0180.00816.91
8.0.20.0170.00816.96
8.0.10.0180.00717.07
8.0.00.0190.01417.10
7.4.330.0020.00215.55
7.4.320.0030.00316.62
7.4.300.0000.00716.65
7.4.290.0030.00316.48
7.4.280.0040.00416.51
7.4.270.0070.00016.53
7.4.260.0000.00513.29
7.4.250.0000.00716.39
7.4.240.0020.00516.54
7.4.230.0040.00416.51
7.4.220.0060.00316.68
7.4.210.0080.01016.61
7.4.200.0080.00016.51
7.4.160.0210.00416.63
7.4.150.0160.00716.65
7.4.140.0170.00716.47
7.4.130.0190.00716.41
7.4.120.0170.00816.50
7.4.110.0170.00816.61
7.4.100.0110.01116.62
7.4.90.0090.01316.57
7.4.80.0110.01216.45
7.4.70.0180.00616.37
7.4.60.0230.00516.53
7.4.50.0130.01216.43
7.4.40.0240.00516.45
7.4.30.0130.01216.46
7.4.20.0120.01416.42
7.4.10.0340.01016.52
7.4.00.0250.01416.50
7.3.330.0030.00316.39
7.3.320.0030.00313.20
7.3.310.0000.00716.30
7.3.300.0040.00416.45
7.3.290.0090.00516.38
7.3.280.0260.00116.27
7.3.270.0190.00816.34
7.3.260.0210.00716.33
7.3.250.0130.01316.35
7.3.240.0140.01116.27
7.3.230.0140.01016.28
7.3.220.0130.00916.30
7.3.210.0130.00816.26
7.3.200.0190.00316.32
7.3.190.0120.00816.29
7.3.180.0150.00516.29
7.3.170.0140.00816.31
7.3.160.0200.00116.29
7.3.150.0110.01116.27
7.3.140.0160.00516.23
7.3.130.0100.01116.30
7.3.120.0120.00816.30
7.3.110.0140.01116.21
7.3.100.0170.00516.26
7.3.90.0160.00616.48
7.3.80.0170.00616.26
7.3.70.0140.00816.34
7.3.60.0140.00916.44
7.3.50.0170.01016.44
7.3.40.0090.01116.39
7.3.30.0150.00716.39
7.3.20.0160.00616.47
7.3.10.0180.00516.37
7.3.00.0190.00516.38

preferences:
45.34 ms | 401 KiB | 5 Q