3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = ''; foreach(str_split(iconv("UTF-8", "Windows-1252", "my utf8 string áéíóú")) as $n => $c) { if (ord($c) > 127) { $c = '%'.bin2hex($c); } $string .= $c; } var_dump($string);

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)
8.3.60.0070.00718.18
8.3.50.0080.00816.50
8.3.40.0060.00918.54
8.3.30.0110.00818.76
8.3.20.0050.00220.29
8.3.10.0040.00421.73
8.3.00.0080.00019.66
8.2.180.0090.00916.63
8.2.170.0140.00422.96
8.2.160.0100.00320.60
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0050.00317.75
8.2.110.0100.01320.45
8.2.100.0110.00017.97
8.2.90.0030.00518.34
8.2.80.0080.00017.97
8.2.70.0030.00617.63
8.2.60.0020.00517.93
8.2.50.0030.00718.07
8.2.40.0050.00319.28
8.2.30.0040.00419.90
8.2.20.0070.00017.67
8.2.10.0040.00418.04
8.2.00.0060.00317.96
8.1.280.0150.00625.92
8.1.270.0090.00023.81
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00821.98
8.1.230.0080.00320.78
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0070.00317.35
8.1.190.0030.00517.13
8.1.180.0040.00418.10
8.1.170.0040.00418.32
8.1.160.0000.00722.06
8.1.150.0040.00418.88
8.1.140.0030.00517.50
8.1.130.0040.00417.79
8.1.120.0000.00717.33
8.1.110.0000.00817.43
8.1.100.0030.00617.46
8.1.90.0080.00017.43
8.1.80.0040.00417.43
8.1.70.0030.00317.38
8.1.60.0070.00017.46
8.1.50.0080.00017.38
8.1.40.0000.00817.48
8.1.30.0030.00617.65
8.1.20.0040.00417.49
8.1.10.0060.00317.34
8.1.00.0040.00417.39
8.0.300.0070.00020.08
8.0.290.0000.00716.88
8.0.280.0030.00318.44
8.0.270.0040.00417.25
8.0.260.0000.00718.47
8.0.250.0040.00416.98
8.0.240.0040.00416.95
8.0.230.0030.00317.02
8.0.220.0040.00416.92
8.0.210.0050.00316.85
8.0.200.0030.00316.99
8.0.190.0040.00416.98
8.0.180.0020.00516.98
8.0.170.0000.00716.97
8.0.160.0070.00016.84
8.0.150.0000.00716.99
8.0.140.0000.00816.93
8.0.130.0070.00013.27
8.0.120.0000.00917.00
8.0.110.0030.00616.95
8.0.100.0090.00017.08
8.0.90.0050.00517.02
8.0.80.0100.00717.03
8.0.70.0040.00416.85
8.0.60.0030.00617.00
8.0.50.0060.00317.08
8.0.30.0070.01217.31
8.0.20.0110.01217.40
8.0.10.0080.00017.22
8.0.00.0110.00916.88
7.4.330.0050.00015.08
7.4.320.0040.00416.58
7.4.300.0030.00316.59
7.4.290.0000.00816.24
7.4.280.0040.00416.57
7.4.270.0030.00316.48
7.4.260.0000.00716.58
7.4.250.0040.00416.64
7.4.240.0040.00516.70
7.4.230.0030.00616.54
7.4.220.0100.01016.61
7.4.210.0060.00916.55
7.4.200.0000.00816.75
7.4.160.0110.00716.49
7.4.150.0140.01517.40
7.4.140.0160.00817.86
7.4.130.0140.01316.70
7.4.120.0050.01416.58
7.4.110.0100.00916.56
7.4.100.0140.01016.69
7.4.90.0000.01916.57
7.4.80.0030.01519.39
7.4.70.0110.00816.60
7.4.60.0140.00916.44
7.4.50.0030.01116.42
7.4.40.0110.01116.57
7.4.30.0100.01016.16
7.4.20.0040.01516.13
7.4.10.0090.01116.44
7.4.00.0090.01115.50
7.3.330.0000.00613.17
7.3.320.0030.00313.16
7.3.310.0000.00816.44
7.3.300.0040.00416.37
7.3.290.0040.01416.40
7.3.280.0070.01416.44
7.3.270.0030.01617.40
7.3.260.0060.01716.74
7.3.250.0110.00816.51
7.3.240.0060.01916.46
7.3.230.0100.01016.48
7.3.210.0090.00916.76
7.3.200.0140.00316.54
7.3.190.0120.01016.51
7.3.180.0110.00716.41
7.3.170.0090.01116.56
7.3.160.0090.01416.25
7.3.150.0180.00816.51
7.3.140.0140.01116.23
7.3.130.0170.00716.27
7.3.120.0100.01215.64
7.3.110.0120.00915.56
7.3.100.0070.01015.54
7.3.90.0070.00715.87
7.3.80.0080.01015.64
7.3.70.0090.00815.52
7.3.60.0070.01015.53
7.3.50.0080.00915.67
7.3.40.0070.00915.59
7.3.30.0060.01015.65
7.3.20.0210.00616.40
7.3.10.0060.01116.50
7.3.00.0050.01116.59
7.2.330.0090.00916.59
7.2.320.0090.00916.96
7.2.310.0110.00916.52
7.2.300.0160.00616.61
7.2.290.0120.00916.78
7.2.280.0140.01016.34
7.2.270.0120.00816.68
7.2.260.0100.01416.42
7.2.250.0150.00715.91
7.2.240.0100.01015.80
7.2.230.0090.00915.77
7.2.220.0110.00715.77
7.2.210.0100.00815.74
7.2.200.0080.00816.01
7.2.190.0100.00815.76
7.2.180.0110.00815.62
7.2.170.0100.00615.73
7.2.160.0080.01116.45
7.2.150.0060.01216.47
7.2.140.0030.01616.59
7.2.130.0030.01516.46
7.2.120.0090.00916.52
7.2.110.0080.01116.52
7.2.100.0110.01416.49
7.2.90.0170.00916.47
7.2.80.0060.01316.46
7.2.70.0140.00916.45
7.2.60.0120.00616.72
7.2.50.0120.01616.28
7.2.40.0060.01316.46
7.2.30.0120.00916.40
7.2.20.0080.01616.47
7.2.10.0130.00716.51
7.2.00.0050.01318.04
7.1.330.0100.01515.89
7.1.320.0140.00615.72
7.1.310.0140.00715.95
7.1.300.0170.00515.97
7.1.290.0120.00815.68
7.1.280.0090.01215.83
7.1.270.0110.01015.84
7.1.260.0120.00915.90
7.1.250.0170.01415.57
7.1.240.0220.00915.62
7.1.230.0240.01115.65
7.1.220.0190.01215.65
7.1.210.0230.01115.69
7.1.200.0110.01315.64
7.1.190.0160.02015.79
7.1.180.0170.01415.57
7.1.170.0290.00315.84
7.1.160.0230.01015.54
7.1.150.0200.01315.66
7.1.140.0220.01015.70
7.1.130.0210.01215.62
7.1.120.0260.01015.55
7.1.110.0170.01315.63
7.1.100.0080.01316.89
7.1.90.0390.01015.69
7.1.80.0180.01915.73
7.1.70.0080.01216.55
7.1.60.0170.01217.43
7.1.50.0200.01325.39
7.1.40.0130.01715.84
7.1.30.0210.01815.79
7.1.20.0180.01915.53
7.1.10.0280.00815.58
7.1.00.0160.04319.18
7.0.330.0210.00915.45
7.0.320.0260.00415.41
7.0.310.0190.01115.43
7.0.300.0270.00415.27
7.0.290.0230.00615.32
7.0.280.0230.00915.30
7.0.270.0190.01015.32
7.0.260.0270.00015.54
7.0.250.0200.00915.33
7.0.240.0120.01515.29
7.0.230.0370.00615.45
7.0.220.0200.01415.50
7.0.210.0160.01215.37
7.0.200.0120.01016.13
7.0.190.0190.01115.43
7.0.180.0230.00515.28
7.0.170.0200.01015.55
7.0.160.0250.00415.54
7.0.150.0350.00615.47
7.0.140.0200.00815.49
7.0.130.0220.00915.45
7.0.120.0380.01015.53
7.0.110.0180.01215.50
7.0.100.0210.00815.47
7.0.90.0170.01015.39
7.0.80.0200.01015.60
7.0.70.0240.00815.21
7.0.60.0110.04817.68
7.0.50.0120.05116.63
7.0.40.0170.04717.74
7.0.30.0170.03517.70
7.0.20.0260.03317.86
7.0.10.0150.02717.83
7.0.00.0170.04817.79
5.6.400.0110.01915.94
5.6.390.0190.01216.43
5.6.380.0190.01216.01
5.6.370.0250.00716.13
5.6.360.0190.01216.09
5.6.350.0150.01516.02
5.6.340.0170.01316.02
5.6.330.0210.00916.25
5.6.320.0170.01416.00
5.6.310.0250.00716.01
5.6.300.0160.01516.22
5.6.290.0200.01016.24
5.6.280.0120.02918.55
5.6.270.0150.01516.21
5.6.260.0190.01216.23
5.6.250.0100.02016.30
5.6.240.0290.00916.34
5.6.230.0200.01016.10
5.6.220.0180.01816.22
5.6.210.0110.03518.50
5.6.200.0160.02617.23
5.6.190.0070.02818.38
5.6.180.1770.02918.47
5.6.170.0210.05118.45
5.6.160.0140.02918.44
5.6.150.0200.03617.30
5.6.140.0170.03217.26
5.6.130.0140.04717.26
5.6.120.0150.05018.63
5.6.110.0150.04718.65
5.6.100.0090.05318.59
5.6.90.0130.02818.58
5.6.80.0160.02418.18
5.6.70.2270.02518.32
5.6.60.0220.00616.13
5.6.50.0220.00616.07
5.6.40.0160.01115.86
5.6.30.0160.01316.05
5.6.20.0170.01215.93
5.6.10.0230.00616.19
5.6.00.0240.01415.92
5.5.380.0250.00316.18
5.5.370.0140.01716.02
5.5.360.0150.01915.93
5.5.350.0100.04518.15
5.5.340.0140.02816.98
5.5.330.0080.03318.13
5.5.320.0200.02518.51
5.5.310.0210.04818.29
5.5.300.0110.05117.13
5.5.290.0140.03017.07
5.5.280.0190.04518.66
5.5.270.0170.04618.37
5.5.260.0180.04018.56
5.5.250.0120.04818.29
5.5.240.0260.04118.13
5.5.230.0220.00715.94
5.5.220.0180.01115.87
5.5.210.0170.01416.01
5.5.200.0230.00715.91
5.5.190.0160.01215.71
5.5.180.0160.01416.05
5.5.170.0150.01515.70
5.5.160.0190.01316.02
5.5.150.0180.01216.09
5.5.140.0150.01516.09
5.5.130.0150.01516.23
5.5.120.0230.00615.89
5.5.110.0200.01216.23
5.5.100.0130.01615.81
5.5.90.0210.01415.90
5.5.80.0200.02015.91
5.5.70.0250.00916.17
5.5.60.0190.00915.67
5.5.50.0250.00515.90
5.5.40.0190.01016.13
5.5.30.0180.01215.91
5.5.20.0250.00715.98
5.5.10.0220.00915.80
5.5.00.0170.01415.79
5.4.450.0480.03115.87
5.4.440.0450.03216.06
5.4.430.0480.02916.10
5.4.420.0540.03516.03
5.4.410.0540.02915.95
5.4.400.0410.03115.80
5.4.390.0620.03115.97
5.4.380.0560.02915.65
5.4.370.0530.03315.79
5.4.360.0570.03015.87
5.4.350.0440.02915.66
5.4.340.0540.03015.87
5.4.330.0150.00612.32
5.4.320.0530.02715.95
5.4.310.0530.02815.69
5.4.300.0520.02815.63
5.4.290.0420.03315.88
5.4.280.0380.03515.86
5.4.270.0470.02815.96
5.4.260.0460.02715.85
5.4.250.0420.03315.86
5.4.240.0570.03115.84
5.4.230.0510.04215.88
5.4.220.0390.03515.84
5.4.210.0440.02815.75
5.4.200.0420.03015.68
5.4.190.0480.02515.74
5.4.180.0490.03215.90
5.4.170.0500.03415.82
5.4.160.0490.02615.78
5.4.150.0430.02815.90
5.4.140.0420.03614.54
5.4.130.0450.03614.49
5.4.120.0430.02514.61
5.4.110.0580.02714.48
5.4.100.0490.03014.43
5.4.90.0480.03114.53
5.4.80.0500.03014.52
5.4.70.0160.01914.48
5.4.60.0250.03714.51
5.4.50.0110.02414.46
5.4.40.0100.04014.51
5.4.30.0080.02914.39
5.4.20.0290.03214.43
5.4.10.0120.01212.46
5.4.00.0100.01312.29

preferences:
53.3 ms | 401 KiB | 5 Q