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('=IGSoRXV6Z0cidkRHZFbSV1YzgGWZFjTwImVaxUVthHajBDc1ZFbaNVTsZ0VRxmUORGVrdXVu5ENhFDZ2UVVkNlVXh2cWBDZLZFbKpnVsJlVXVlS1Z1R4dlVrFzVUtmWYJFbKVlVYR2MiZlWWV2RxclVGp0cWxGcrJGbaNVTWJVU'));

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)
8.3.60.0070.01518.43
8.3.50.0100.00719.76
8.3.40.0060.00918.61
8.3.30.0090.00618.40
8.3.20.0040.00420.34
8.3.10.0040.00420.53
8.3.00.0040.00421.78
8.2.180.0070.01018.29
8.2.170.0070.00722.96
8.2.160.0070.01022.19
8.2.150.0000.00825.66
8.2.140.0040.00424.66
8.2.130.0000.00720.35
8.2.120.0070.00026.35
8.2.110.0070.00320.57
8.2.100.0040.00717.72
8.2.90.0030.00619.17
8.2.80.0080.00017.97
8.2.70.0000.00817.63
8.2.60.0000.00817.50
8.2.50.0000.00817.55
8.2.40.0000.00817.91
8.2.30.0030.00519.22
8.2.20.0040.00418.10
8.2.10.0000.00717.93
8.2.00.0030.00517.97
8.1.280.0090.00925.92
8.1.270.0040.00422.18
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0070.00323.90
8.1.230.0040.00822.63
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.36
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0030.00617.62
8.1.160.0000.00718.73
8.1.150.0020.00518.88
8.1.140.0000.00719.07
8.1.130.0030.00318.81
8.1.120.0040.00417.30
8.1.110.0030.00417.29
8.1.100.0000.00817.41
8.1.90.0000.00817.41
8.1.80.0000.00717.41
8.1.70.0030.00317.39
8.1.60.0070.00317.55
8.1.50.0030.00717.41
8.1.40.0040.00417.53
8.1.30.0040.00417.54
8.1.20.0030.00617.62
8.1.10.0000.00717.45
8.1.00.0000.00717.46
8.0.300.0070.00018.77
8.0.290.0040.00417.05
8.0.280.0080.00018.29
8.0.270.0000.00717.19
8.0.260.0030.00316.73
8.0.250.0040.00316.88
8.0.240.0040.00416.80
8.0.230.0000.00816.86
8.0.220.0060.00316.82
8.0.210.0000.00716.80
8.0.200.0050.00316.77
8.0.190.0070.00016.82
8.0.180.0030.00516.74
8.0.170.0050.00316.74
8.0.160.0000.00716.83
8.0.150.0070.00016.78
8.0.140.0040.00416.82
8.0.130.0000.00613.31
8.0.120.0030.00516.69
8.0.110.0030.00316.78
8.0.100.0000.00816.82
8.0.90.0000.00716.83
8.0.80.0090.00616.83
8.0.70.0000.00716.66
8.0.60.0000.00816.79
8.0.50.0050.00216.84
8.0.30.0110.00617.01
8.0.20.0140.00617.40
8.0.10.0000.00716.99
8.0.00.0090.00916.65
7.4.330.0000.00515.55
7.4.320.0070.00016.49
7.4.300.0060.00016.59
7.4.290.0000.00716.50
7.4.280.0060.00316.59
7.4.270.0100.00016.43
7.4.260.0000.00716.59
7.4.250.0040.00416.49
7.4.240.0040.00416.52
7.4.230.0050.00316.39
7.4.220.0110.00616.46
7.4.210.0050.00916.52
7.4.200.0030.00316.71
7.4.160.0100.01016.62
7.4.150.0060.01317.40
7.4.140.0090.01017.86
7.4.130.0140.00316.58
7.4.120.0110.00916.47
7.4.110.0070.01016.34
7.4.100.0090.00916.39
7.4.90.0080.00816.38
7.4.80.0070.00719.39
7.4.70.0120.00916.35
7.4.60.0130.01016.45
7.4.50.0080.00816.30
7.4.40.0170.00316.25
7.4.30.0060.01016.60
7.4.10.0030.01716.48
7.4.00.0080.00815.67
7.3.330.0000.00513.26
7.3.320.0000.00613.29
7.3.310.0070.00016.19
7.3.300.0000.00716.19
7.3.290.0050.00216.34
7.3.280.0080.00816.29
7.3.270.0120.00617.40
7.3.260.0110.00616.36
7.3.250.0130.00516.40
7.3.240.0120.00616.46
7.3.230.0100.01316.42
7.3.210.0090.00816.39
7.3.200.0070.01016.53
7.3.190.0060.00916.43
7.3.180.0150.00316.36
7.3.170.0090.00616.53
7.3.160.0080.00716.34
7.3.130.0100.01016.20
7.3.120.0060.01216.23
7.3.110.0070.01116.48
7.3.100.0090.00616.59
7.3.90.0090.00916.34
7.3.80.0030.01016.46
7.3.70.0040.01216.19
7.3.60.0030.00816.48
7.3.50.0140.00316.42
7.3.40.0040.00716.29
7.3.30.0090.00616.21
7.3.20.0100.00718.25
7.3.10.0030.00718.36
7.3.00.0060.00618.00
7.2.330.0130.01016.55
7.2.320.0090.00816.72
7.2.310.0200.00016.61
7.2.300.0100.00616.39
7.2.290.0110.00516.42
7.2.260.0070.01316.65
7.2.250.0030.01416.56
7.2.240.0120.00616.23
7.2.230.0120.00916.40
7.2.220.0070.01116.67
7.2.210.0100.00016.63
7.2.200.0000.01116.42
7.2.190.0060.00616.52
7.2.180.0110.00716.46
7.2.170.0060.00616.48
7.2.160.0060.00916.49
7.2.150.0040.01118.42
7.2.140.0040.00818.37
7.2.130.0030.01318.41
7.2.120.0080.00418.43
7.2.110.0070.00718.42
7.2.100.0100.00318.48
7.2.90.0110.00418.29
7.2.80.0150.00817.45
7.2.70.0070.01018.43
7.2.60.0060.00817.66
7.2.50.0030.01218.50
7.2.40.0040.01118.41
7.2.30.0060.01318.38
7.2.20.0130.00318.27
7.2.10.0080.00318.25
7.2.00.0030.01119.30
7.1.330.0120.00617.51
7.1.320.0030.01217.33
7.1.310.0070.00717.34
7.1.300.0000.01417.40
7.1.290.0000.01117.23
7.1.280.0030.00617.44
7.1.270.0100.00617.26
7.1.260.0070.00717.56
7.1.250.0040.01117.28
7.1.240.0030.01017.37
7.1.230.0030.01017.30
7.1.220.0030.01317.44
7.1.210.0070.00717.23
7.1.200.0070.00516.53
7.1.190.0060.00917.40
7.1.180.0060.00917.30
7.1.170.0070.00317.33
7.1.160.0030.01317.33
7.1.150.0040.01117.36
7.1.140.0030.01017.46
7.1.130.0060.00317.36
7.1.120.0090.00418.26
7.1.110.0090.00417.98
7.1.100.0040.00717.82
7.1.90.0040.00717.71
7.1.80.0050.00717.89
7.1.70.0060.00617.38
7.1.60.0080.01129.33
7.1.50.0080.01028.95
7.1.40.0140.00728.77
7.1.30.0090.01028.78
7.1.20.0100.01128.69
7.1.10.0030.00916.87
7.1.00.0070.00516.77
7.0.330.0100.00316.90
7.0.320.0030.01316.91
7.0.310.0040.01116.93
7.0.300.0040.01516.95
7.0.290.0030.01016.95
7.0.280.0030.00617.15
7.0.270.0070.00717.10
7.0.260.0100.00717.04
7.0.250.0170.00016.91
7.0.240.0070.00317.18
7.0.230.0030.01017.05
7.0.220.0060.00916.89
7.0.210.0110.00417.13
7.0.200.0100.00017.20
7.0.190.0040.01117.19
7.0.180.0070.01117.00
7.0.170.0040.00416.89
7.0.160.0040.01117.07
7.0.150.0030.00617.13
7.0.140.0030.00917.18
7.0.130.0030.01316.89
7.0.120.0030.01016.67
7.0.110.0040.00816.96
7.0.100.0060.00916.90
7.0.90.0130.00316.87
7.0.80.0030.01016.97
7.0.70.0080.00816.99
7.0.60.0070.00716.78
7.0.50.0110.00017.09
7.0.40.0070.00715.02
7.0.30.0040.01114.94
7.0.20.0070.00714.90
7.0.10.0000.01115.07
7.0.00.0030.00915.09
5.6.400.0040.01115.76
5.6.390.0040.00815.59
5.6.380.0110.00715.91
5.6.370.0060.00915.95
5.6.360.0120.00415.55
5.6.350.0000.01815.40
5.6.340.0110.00415.96
5.6.330.0060.01315.69
5.6.320.0130.00715.64
5.6.310.0030.00815.98
5.6.300.0030.00715.96
5.6.290.0090.00615.60
5.6.280.0060.00915.93
5.6.270.0000.01415.67
5.6.260.0070.00715.84
5.6.250.0090.00915.89
5.6.240.0030.01015.66
5.6.230.0030.00916.07
5.6.220.0000.01515.88
5.6.210.0070.00415.65
5.6.200.0000.01315.87
5.6.190.0120.00315.92
5.6.180.0120.00315.44
5.6.170.0030.01215.62
5.6.160.0030.00915.84
5.6.150.0030.00915.57
5.6.140.0080.00615.93
5.6.130.0100.00315.86
5.6.120.0140.00315.97
5.6.110.0060.00315.57
5.6.100.0040.00815.76
5.6.90.0000.01415.85
5.6.80.0070.00715.50
5.6.70.0120.00615.77
5.6.60.0040.00815.55
5.6.50.0060.00915.59
5.6.40.0120.00015.92
5.6.30.0000.00915.80
5.6.20.0060.00615.61
5.6.10.0000.01215.63
5.6.00.0040.01215.62

preferences:
57.55 ms | 400 KiB | 5 Q