3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = 'tacocat'; $code = ''; for ($i = strlen($input) - 1; $i >= 0; $i--) { $code .= ($code ? '.' : '') . sprintf('$input[%s]', $i); } $code = sprintf('return %s;', $code); var_dump($code); var_dump(eval($code));

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)
8.3.60.0110.00416.50
8.3.50.0090.01022.11
8.3.40.0080.00818.84
8.3.30.0130.00719.01
8.3.20.0040.00420.16
8.3.10.0070.00021.76
8.3.00.0060.00317.80
8.2.180.0080.00816.50
8.2.170.0070.00722.96
8.2.160.0070.00719.29
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00421.12
8.2.110.0060.00320.22
8.2.100.0070.00417.84
8.2.90.0000.00919.17
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0000.00818.04
8.2.50.0000.00818.07
8.2.40.0130.00018.21
8.2.30.0000.00718.10
8.2.20.0050.00317.75
8.2.10.0050.00318.11
8.2.00.0000.00717.74
8.1.280.0060.00925.92
8.1.270.0050.00322.09
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00323.78
8.1.230.0040.00720.81
8.1.220.0090.00017.77
8.1.210.0030.00618.77
8.1.200.0040.00417.35
8.1.190.0000.00717.51
8.1.180.0000.00818.67
8.1.170.0050.00318.59
8.1.160.0070.00021.93
8.1.150.0040.00418.89
8.1.140.0040.00417.38
8.1.130.0040.00417.91
8.1.120.0000.00717.32
8.1.110.0070.00017.34
8.1.100.0030.00317.41
8.1.90.0040.00417.35
8.1.80.0030.00417.43
8.1.70.0050.00217.27
8.1.60.0030.00517.47
8.1.50.0030.00517.52
8.1.40.0000.00817.42
8.1.30.0040.00417.72
8.1.20.0040.00417.49
8.1.10.0000.00817.61
8.1.00.0020.00517.47
8.0.300.0000.00718.77
8.0.290.0000.00717.02
8.0.280.0070.00018.43
8.0.270.0070.00017.26
8.0.260.0000.00617.31
8.0.250.0030.00317.00
8.0.240.0040.00417.00
8.0.230.0040.00416.97
8.0.220.0000.00716.96
8.0.210.0080.00016.90
8.0.200.0030.00316.84
8.0.190.0000.00816.82
8.0.180.0030.00616.81
8.0.170.0000.00716.96
8.0.160.0000.00716.80
8.0.150.0000.00716.88
8.0.140.0070.00016.91
8.0.130.0030.00313.28
8.0.120.0000.00716.79
8.0.110.0000.00716.73
8.0.100.0030.00716.77
8.0.90.0040.00416.88
8.0.80.0000.01516.83
8.0.70.0050.00316.96
8.0.60.0040.00416.70
8.0.50.0070.00016.80
8.0.30.0080.01417.20
8.0.20.0090.01317.40
8.0.10.0040.00417.00
8.0.00.0110.00816.60
7.4.330.0050.00015.21
7.4.320.0030.00316.60
7.4.300.0030.00316.49
7.4.290.0070.00016.59
7.4.280.0000.00816.48
7.4.270.0000.00716.51
7.4.260.0000.00716.56
7.4.250.0000.00716.32
7.4.240.0060.00116.50
7.4.230.0030.00316.63
7.4.220.0060.01616.56
7.4.210.0120.00916.68
7.4.200.0030.00316.68
7.4.160.0100.00716.54
7.4.150.0040.01317.40
7.4.140.0170.01217.86
7.4.130.0090.01016.58
7.4.120.0100.01316.60
7.4.110.0090.00916.41
7.4.100.0150.00316.66
7.4.90.0060.01116.52
7.4.80.0090.01519.39
7.4.70.0030.01316.43
7.4.60.0090.00616.35
7.4.50.0040.00416.28
7.4.40.0150.00016.45
7.4.30.0040.01416.59
7.4.00.0030.01514.71
7.3.330.0000.00513.18
7.3.320.0050.00013.24
7.3.310.0000.00616.16
7.3.300.0000.00716.22
7.3.290.0110.00516.33
7.3.280.0110.00516.35
7.3.270.0070.01717.40
7.3.260.0130.01016.57
7.3.250.0130.00916.40
7.3.240.0130.01016.59
7.3.230.0080.01416.59
7.3.210.0100.01016.44
7.3.200.0030.01419.39
7.3.190.0150.00716.39
7.3.180.0070.01016.38
7.3.170.0140.00916.44
7.3.160.0100.00716.53
7.3.10.0030.01316.29
7.3.00.0070.01016.76
7.2.330.0060.01116.75
7.2.320.0070.01016.68
7.2.310.0040.01216.78
7.2.300.0120.00416.48
7.2.290.0100.00916.79
7.2.130.0070.00716.57
7.2.120.0160.00616.75
7.2.110.0110.00316.82
7.2.100.0140.00716.88
7.2.90.0060.01016.83
7.2.80.0000.01316.73
7.2.70.0060.00916.96
7.2.60.0050.01017.08
7.2.50.0120.00916.75
7.2.40.0060.00916.43
7.2.30.0060.00916.87
7.2.20.0000.01316.84
7.2.10.0000.01516.88
7.2.00.0060.00618.29
7.1.250.0100.00315.84
7.1.100.0030.00718.14
7.1.70.0000.00717.32
7.1.60.0120.01219.29
7.1.50.0160.02334.71
7.1.00.0030.07722.28
7.0.200.0770.00714.96
7.0.140.0030.06721.97
7.0.60.0230.06720.03
7.0.50.0100.06017.82
7.0.40.0130.07719.98
7.0.30.0330.07319.97
7.0.20.0230.04020.12
7.0.10.0270.04720.09
7.0.00.0000.04320.16
5.6.280.0000.07721.09
5.6.210.0070.07020.70
5.6.200.0100.03318.22
5.6.190.0100.04320.56
5.6.180.0000.08720.45
5.6.170.0430.07020.52
5.6.160.0030.04020.54
5.6.150.0000.05718.22
5.6.140.0030.05718.21
5.6.130.0230.06318.12
5.6.120.0100.05321.13
5.6.110.0100.06021.09
5.6.100.0070.07320.90
5.6.90.0130.07320.97
5.6.80.0000.04020.38
5.6.70.4270.03720.39
5.5.350.0100.03320.39
5.5.340.0070.07317.88
5.5.330.0100.07320.06
5.5.320.0300.04720.27
5.5.310.0170.04720.13
5.5.300.0070.08018.03
5.5.290.0070.07017.90
5.5.280.0070.07720.87
5.5.270.0070.08320.86
5.5.260.0100.08020.86
5.5.250.0030.05020.77
5.5.240.0230.06720.27
5.4.450.0200.06019.25
5.4.440.0130.06019.58
5.4.430.0100.05319.46
5.4.420.0070.06019.33
5.4.410.0070.06019.39
5.4.400.0200.06719.21
5.4.390.0070.05719.08
5.4.380.0130.05718.57
5.4.370.0200.04018.59
5.4.360.0100.05018.42
5.4.350.0100.04318.48
5.4.340.0130.03318.42
5.4.320.0100.04018.41
5.4.310.0100.04018.44
5.4.300.0130.04018.62
5.4.290.0100.05018.57
5.4.280.0070.05018.50
5.4.270.0170.03318.41
5.4.260.0100.04018.61
5.4.250.0100.04018.57
5.4.240.0100.04718.69
5.4.230.0070.04018.52
5.4.220.0200.03018.46
5.4.210.0200.03018.56
5.4.200.0000.04716.56
5.4.190.0130.03318.40
5.4.180.0130.03318.48
5.4.170.0100.04018.49
5.4.160.0100.03718.48
5.4.150.0070.04018.50
5.4.140.0170.03016.19
5.4.130.0030.04716.18
5.4.120.0130.04016.23
5.4.110.0130.03316.14
5.4.100.0130.03716.12
5.4.90.0200.02716.14
5.4.80.0130.03316.00
5.4.70.0100.03716.02
5.4.60.0030.04016.12
5.4.50.0100.03316.08
5.4.40.0130.03016.15
5.4.30.0130.03316.13
5.4.20.0130.04016.02
5.4.10.0130.03316.23
5.4.00.0070.03715.59
5.3.290.0100.05014.57
5.3.280.0030.04714.63
5.3.270.0130.03714.61
5.3.260.0100.04014.50
5.3.250.0130.03314.66
5.3.240.0130.04014.51
5.3.230.0170.03314.44
5.3.220.0070.04014.48
5.3.210.0130.04314.50
5.3.200.0130.04314.46
5.3.190.0100.04714.42
5.3.180.0200.03714.43
5.3.170.0070.05014.48
5.3.160.0100.04314.48
5.3.150.0170.03314.49
5.3.140.0100.05014.53
5.3.130.0130.05014.40
5.3.120.0070.04714.40
5.3.110.0100.04714.57
5.3.100.0170.04713.96
5.3.90.0270.04013.91
5.3.80.0070.04013.95
5.3.70.0030.04013.96
5.3.60.0070.04013.89
5.3.50.0100.03713.85
5.3.40.0070.04313.96
5.3.30.0030.04313.92
5.3.20.0170.03713.68
5.3.10.0130.03713.57
5.3.00.0200.03313.58
5.2.170.0070.03711.24
5.2.160.0070.03311.13
5.2.150.0130.03011.06
5.2.140.0100.03011.22
5.2.130.0100.02711.08
5.2.120.0070.03011.04
5.2.110.0130.03011.02
5.2.100.0100.03011.02
5.2.90.0100.02711.08
5.2.80.0030.03311.01
5.2.70.0070.03011.08
5.2.60.0070.03011.01
5.2.50.0100.02711.07
5.2.40.0100.03010.90
5.2.30.0030.03710.86
5.2.20.0070.03011.05
5.2.10.0070.03010.78
5.2.00.0100.02710.76
5.1.60.0070.02310.04
5.1.50.0070.02310.12
5.1.40.0030.03010.00
5.1.30.0170.01710.30
5.1.20.0070.02710.39
5.1.10.0070.02710.14
5.1.00.0070.02310.20
5.0.50.0070.0178.56
5.0.40.0070.0178.42
5.0.30.0030.0308.31
5.0.20.0000.0238.19
5.0.10.0000.0238.24
5.0.00.0030.0308.29
4.4.90.0030.0135.88
4.4.80.0030.0135.84
4.4.70.0000.0175.90
4.4.60.0000.0175.97
4.4.50.0000.0205.91
4.4.40.0000.0305.83
4.4.30.0000.0175.95
4.4.20.0030.0175.96
4.4.10.0030.0175.90
4.4.00.0070.0205.84
4.3.110.0070.0175.77
4.3.100.0100.0105.78
4.3.90.0030.0175.82
4.3.80.0000.0275.77
4.3.70.0030.0135.76
4.3.60.0000.0175.77
4.3.50.0030.0135.71
4.3.40.0070.0235.81
4.3.30.0000.0234.48
4.3.20.0130.0204.55
4.3.10.0000.0174.55
4.3.00.0030.0206.71

preferences:
41.53 ms | 401 KiB | 5 Q