3v4l.org

run code in 300+ PHP versions simultaneously
<?php function encodeString($str) { for ($i = 0; $i < 5; ++$i) { $str = base64_decode(strrev($str)); } return $str; } /*var_dump(encodeString('=AFVxIkVWRWYSdlUhRVbwh1YqZkcUVVOhFGbWlXVtFDa')); var_dump(encodeString('=AFVxI1VrRWYSdlUhRVbwh1YqZkcUVVOhFGbWlXVtFDa')); var_dump(encodeString('==AUUFjQWZlWX10VSFmUtBnUWdkUzVlbOd3VGpleVxGZaZ1aKVlV650cidkRoRVb4plUxA3VWZFa0ImVaVlUtFDaW1Ge1Z1aJhnVGFUP')); var_dump(encodeString('==AUUFjQWZFZhJVbShlVrZlaTVEczZlbjVjVxIVWS1GcoZVbSZUWVx2cStWMLJFbSV1Yx82dVJDehFWMaRVVrpVaZZFczZ1aJhnVGFUP')); var_dump(encodeString('==AUUFjQWZlWhJFbOhWYEJUalZEbzZ1akdUTxI1VVxGZoFmRKNXVsR2aS1mSoVVbwZVZWxmVV1GbTFWMKhmUtFzUT12d6ZVb0gnVGFUP')); */ var_dump(encodeString('==AUUFjQWZlVLJVbSl1VthnUTVkWYRlVOBjVWpFMhZEaoV1MoRXVxQ2ViVEMwQmRkVlVxA3cZFjU3JmVKd3VqZ0VVFjSZZlM0gnVGFUP'));

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)
8.3.60.0070.00718.56
8.3.50.0040.01119.82
8.3.40.0070.01018.54
8.3.30.0040.01118.41
8.3.20.0090.00020.04
8.3.10.0040.00420.57
8.3.00.0080.00023.53
8.2.180.0100.01018.11
8.2.170.0090.00622.96
8.2.160.0130.00020.47
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0000.00820.52
8.2.120.0030.00526.35
8.2.110.0060.00322.25
8.2.100.0080.00318.03
8.2.90.0000.00919.82
8.2.80.0040.00417.97
8.2.70.0060.00317.80
8.2.60.0080.00018.09
8.2.50.0030.00618.10
8.2.40.0040.00420.42
8.2.30.0000.00819.06
8.2.20.0040.00417.86
8.2.10.0000.00818.12
8.2.00.0040.00417.93
8.1.280.0080.00825.92
8.1.270.0090.00021.79
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0070.00322.05
8.1.230.0070.00419.16
8.1.220.0000.00917.77
8.1.210.0080.00018.77
8.1.200.0080.00017.23
8.1.190.0090.00017.23
8.1.180.0030.00618.10
8.1.170.0000.00918.54
8.1.160.0040.00418.88
8.1.150.0000.00718.88
8.1.140.0000.00718.99
8.1.130.0070.00018.67
8.1.120.0040.00417.30
8.1.110.0000.00717.32
8.1.100.0050.00317.34
8.1.90.0060.00317.44
8.1.80.0040.00417.45
8.1.70.0030.00317.39
8.1.60.0000.00917.56
8.1.50.0070.00417.42
8.1.40.0000.00817.39
8.1.30.0000.00717.63
8.1.20.0000.00717.62
8.1.10.0040.00417.41
8.1.00.0030.00617.43
8.0.300.0000.00719.58
8.0.290.0080.00016.75
8.0.280.0000.00718.43
8.0.270.0030.00317.10
8.0.260.0000.00716.82
8.0.250.0040.00416.83
8.0.240.0080.00016.79
8.0.230.0030.00316.89
8.0.220.0000.00716.74
8.0.210.0080.00016.82
8.0.200.0000.00616.85
8.0.190.0040.00416.93
8.0.180.0000.00716.75
8.0.170.0030.00316.77
8.0.160.0070.00016.82
8.0.150.0000.00816.78
8.0.140.0030.00316.69
8.0.130.0050.00013.34
8.0.120.0000.00816.66
8.0.110.0050.00216.66
8.0.100.0050.00216.65
8.0.90.0040.00416.89
8.0.80.0000.01716.72
8.0.70.0040.00416.94
8.0.60.0000.00716.62
8.0.50.0000.00816.68
8.0.30.0080.01017.01
8.0.20.0090.01017.40
8.0.10.0040.00416.89
8.0.00.0110.00816.88
7.4.330.0050.00015.55
7.4.320.0050.00216.55
7.4.300.0000.00616.51
7.4.290.0030.00316.50
7.4.280.0070.00316.52
7.4.270.0080.00216.61
7.4.260.0050.00216.58
7.4.250.0000.00816.46
7.4.240.0000.00716.58
7.4.230.0070.00016.63
7.4.220.0070.01116.61
7.4.210.0110.00616.45
7.4.200.0070.00016.49
7.4.160.0130.00216.56
7.4.150.0100.00717.40
7.4.140.0120.00717.86
7.4.130.0090.00816.39
7.4.120.0130.01016.38
7.4.110.0120.00816.43
7.4.100.0120.00816.46
7.4.90.0100.00916.40
7.4.80.0110.01317.23
7.4.70.0090.01116.34
7.4.60.0100.01116.49
7.4.50.0110.00916.26
7.4.40.0100.01016.24
7.4.30.0090.01016.35
7.4.20.0120.00816.39
7.4.10.0120.00716.15
7.4.00.0060.01215.93
7.3.330.0030.00313.29
7.3.320.0030.00313.31
7.3.310.0040.00416.41
7.3.300.0000.00716.17
7.3.290.0070.00016.13
7.3.280.0090.00916.27
7.3.270.0110.01117.40
7.3.260.0150.00816.42
7.3.250.0070.01216.49
7.3.240.0100.00916.32
7.3.230.0120.00616.36
7.3.220.0120.01016.28
7.3.210.0130.00616.39
7.3.200.0130.00716.48
7.3.190.0090.00916.55
7.3.180.0120.00816.52
7.3.170.0140.00616.43
7.3.160.0090.01216.34
7.3.150.0120.00916.33
7.3.140.0100.00916.37
7.3.130.0100.00916.13
7.3.120.0120.00716.12
7.3.110.0100.01016.13
7.3.100.0120.00816.07
7.3.90.0100.01015.81
7.3.80.0070.01015.82
7.3.70.0080.01015.54
7.3.60.0110.00715.65
7.3.50.0070.01015.62
7.3.40.0100.00715.50
7.3.30.0090.00815.52
7.3.20.0100.00816.05
7.3.10.0090.00915.99
7.3.00.0080.01115.93
7.2.340.0080.01316.51
7.2.330.0080.01216.52
7.2.320.0100.01016.51
7.2.310.0090.01116.54
7.2.300.0110.01016.60
7.2.290.0080.01216.54
7.2.280.0140.00816.58
7.2.270.0080.01216.64
7.2.260.0090.01116.22
7.2.250.0110.00816.27
7.2.240.0080.01116.32
7.2.230.0090.01316.31
7.2.220.0110.00915.97
7.2.210.0110.00815.94
7.2.200.0090.00915.79
7.2.190.0090.01015.78
7.2.180.0080.01015.76
7.2.170.0100.00915.64
7.2.160.0090.00915.63
7.2.150.0100.00916.22
7.2.140.0090.00916.22
7.2.130.0110.00716.25
7.2.120.0100.00916.20
7.2.110.0100.00816.19
7.2.100.0140.00616.19
7.2.90.0170.01016.26
7.2.80.0150.00716.17
7.2.70.0100.00916.19
7.2.60.0100.00716.25
7.2.50.0100.01016.19
7.2.40.0110.00816.24
7.2.30.0110.00816.22
7.2.20.0170.01116.19
7.2.10.0090.01116.21
7.2.00.0170.00916.78
7.1.330.0470.01015.51
7.1.320.0170.00915.26
7.1.310.0130.00915.24
7.1.300.0140.00915.08
7.1.290.0160.00615.02
7.1.280.0140.00815.21
7.1.270.0130.00815.15
7.1.260.0120.00915.11
7.1.250.0130.00915.18
7.1.240.0140.00915.18
7.1.230.0160.00915.16
7.1.220.0180.00915.10
7.1.210.0160.00915.14
7.1.200.0140.00915.24
7.1.190.0160.00815.14
7.1.180.0140.00815.18
7.1.170.0140.01015.17
7.1.160.0140.00715.19
7.1.150.0160.00915.16
7.1.140.0170.00715.19
7.1.130.0190.00915.17
7.1.120.0140.00715.76
7.1.110.0130.00915.66
7.1.100.0150.00815.61
7.1.90.0130.01015.61
7.1.80.0130.00815.64
7.1.70.0140.00815.42
7.1.60.0170.00819.27
7.1.50.0160.00919.17
7.1.40.0160.00819.14
7.1.30.0170.00919.13
7.1.20.0170.00919.16
7.1.10.0150.00915.32
7.1.00.0160.00715.35
7.0.330.0150.00814.69
7.0.320.0300.01015.30
7.0.310.0170.00715.30
7.0.300.0180.00915.27
7.0.290.0220.00815.24
7.0.280.0200.01015.22
7.0.270.0180.00915.27
7.0.260.0180.00915.20
7.0.250.0180.01015.17
7.0.240.0200.00815.21
7.0.230.0240.00515.16
7.0.220.0160.01215.25
7.0.210.0180.01015.21
7.0.200.0200.01115.22
7.0.190.0230.01115.27
7.0.180.0260.01015.13
7.0.170.0300.01115.26
7.0.160.0210.01015.19
7.0.150.0220.00915.25
7.0.140.0230.00615.30
7.0.130.0200.01215.28
7.0.120.0200.01115.24
7.0.110.0220.00815.23
7.0.100.0170.01215.22
7.0.90.0230.01015.24
7.0.80.0180.01115.15
7.0.70.0210.01115.29
7.0.60.0260.01015.27
7.0.50.0220.00915.32
7.0.40.0230.01015.23
7.0.30.0220.01015.29
7.0.20.0180.00715.23
7.0.10.0220.00915.27
7.0.00.0190.01415.20
5.6.400.0110.01115.03
5.6.390.0140.01014.87
5.6.380.0120.01115.07
5.6.370.0180.00915.77
5.6.360.0190.01015.88
5.6.350.0200.01215.83
5.6.340.0170.01315.88
5.6.330.0150.01515.88
5.6.320.0210.00915.76
5.6.310.0190.01115.87
5.6.300.0220.01315.86
5.6.290.0210.01115.90
5.6.280.0220.01115.90
5.6.270.0230.00915.85
5.6.260.0200.01215.70
5.6.250.0170.01515.81
5.6.240.0180.01615.83
5.6.230.0180.01415.82
5.6.220.0230.01015.85
5.6.210.0240.00915.89
5.6.200.0230.01015.91
5.6.190.0220.01215.87
5.6.180.0210.01315.84
5.6.170.0250.00915.95
5.6.160.0210.01415.79
5.6.150.0230.01015.82
5.6.140.0230.01115.89
5.6.130.0220.01115.86
5.6.120.0240.01115.88
5.6.110.0190.01415.94
5.6.100.0170.01615.82
5.6.90.0210.01115.89
5.6.80.0190.01015.85
5.6.70.0180.01115.82
5.6.60.0220.00915.74
5.6.50.0190.01015.78
5.6.40.0190.01015.79
5.6.30.0160.01115.75
5.6.20.0150.01515.77
5.6.10.0190.00815.72
5.6.00.0170.00815.68

preferences:
65.08 ms | 401 KiB | 5 Q