3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'Öé'; $chars = []; // Assume ISO-8859-1 if not UTF-8 $chars['in'] = chr(128) . chr(131) . chr(138) . chr(142) . chr(154) . chr(158) . chr(159) . chr(162) . chr(165) . chr(181) . chr(192) . chr(193) . chr(194) . chr(195) . chr(196) . chr(197) . chr(199) . chr(200) . chr(201) . chr(202) . chr(203) . chr(204) . chr(205) . chr(206) . chr(207) . chr(209) . chr(210) . chr(211) . chr(212) . chr(213) . chr(214) . chr(216) . chr(217) . chr(218) . chr(219) . chr(220) . chr(221) . chr(224) . chr(225) . chr(226) . chr(227) . chr(228) . chr(229) . chr(231) . chr(232) . chr(233) . chr(234) . chr(235) . chr(236) . chr(237) . chr(238) . chr(239) . chr(241) . chr(242) . chr(243) . chr(244) . chr(245) . chr(246) . chr(248) . chr(249) . chr(250) . chr(251) . chr(252) . chr(253) . chr(255); $chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy"; $string = strtr($string, $chars['in'], $chars['out']); $double_chars = []; $double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254)); $double_chars['out'] = ['OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th']; $string = str_replace($double_chars['in'], $double_chars['out'], $string); var_dump($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)
8.3.60.0090.00916.63
8.3.50.0070.01016.16
8.3.40.0140.00718.66
8.3.30.0040.01118.50
8.3.20.0080.00021.60
8.3.10.0040.00423.65
8.3.00.0140.00023.53
8.2.180.0070.01116.83
8.2.170.0100.00322.96
8.2.160.0110.00319.98
8.2.150.0070.00324.18
8.2.140.0040.00424.66
8.2.130.0030.00521.02
8.2.120.0040.00426.35
8.2.110.0040.00420.52
8.2.100.0060.00617.72
8.2.90.0080.00018.16
8.2.80.0060.00318.16
8.2.70.0080.00018.03
8.2.60.0050.00317.63
8.2.50.0040.00418.21
8.2.40.0040.00420.47
8.2.30.0040.00420.65
8.2.20.0070.00018.27
8.2.10.0000.00818.25
8.2.00.0060.00318.23
8.1.280.0110.00725.92
8.1.270.0040.00422.19
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00619.17
8.1.230.0040.00722.63
8.1.220.0000.00817.76
8.1.210.0040.00718.77
8.1.200.0000.00817.47
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0040.00418.49
8.1.160.0040.00418.81
8.1.150.0070.00020.35
8.1.140.0000.00817.61
8.1.130.0040.00419.10
8.1.120.0050.00517.50
8.1.110.0000.00717.39
8.1.100.0030.00617.54
8.1.90.0080.00017.54
8.1.80.0030.00517.51
8.1.70.0060.00317.41
8.1.60.0040.00417.54
8.1.50.0070.00617.61
8.1.40.0040.00417.57
8.1.30.0040.00417.57
8.1.20.0000.00817.72
8.1.10.0000.00717.59
8.1.00.0040.00417.59
8.0.300.0000.00720.10
8.0.290.0090.00016.75
8.0.280.0030.00518.56
8.0.270.0040.00417.23
8.0.260.0030.00316.93
8.0.250.0000.00816.91
8.0.240.0000.00717.01
8.0.230.0090.00016.97
8.0.220.0040.00417.04
8.0.210.0050.00216.97
8.0.200.0040.00416.94
8.0.190.0070.00016.92
8.0.180.0040.00417.03
8.0.170.0000.00916.96
8.0.160.0060.00316.94
8.0.150.0000.00716.68
8.0.140.0030.00316.77
8.0.130.0000.00513.38
8.0.120.0050.00316.92
8.0.110.0070.00016.82
8.0.100.0000.00717.00
8.0.90.0040.00416.90
8.0.80.0060.00916.96
8.0.70.0000.00816.90
8.0.60.0070.00016.75
8.0.50.0030.00516.96
8.0.30.0100.01117.19
8.0.20.0080.01117.40
8.0.10.0000.00817.14
8.0.00.0110.00816.74
7.4.330.0050.00015.55
7.4.320.0060.00016.69
7.4.300.0060.00016.57
7.4.290.0000.00716.71
7.4.280.0060.00316.48
7.4.270.0000.00716.67
7.4.260.0060.00316.57
7.4.250.0030.00316.45
7.4.240.0030.00316.66
7.4.230.0000.00716.59
7.4.220.0030.00516.45
7.4.210.0040.01216.62
7.4.200.0000.00716.73
7.4.160.0080.00916.60
7.4.140.0120.00617.86
7.4.130.0060.01216.63
7.4.120.0080.01016.61
7.4.110.0090.00616.61
7.4.100.0100.01016.59
7.4.90.0130.00316.57
7.4.80.0150.00719.39
7.4.70.0170.00816.69
7.4.60.0150.00316.44
7.4.50.0120.00616.24
7.4.40.0090.00616.59
7.4.00.0060.01315.11
7.3.330.0000.00513.07
7.3.320.0000.00513.02
7.3.310.0040.00416.29
7.3.300.0070.00016.30
7.3.290.0050.01016.29
7.3.280.0080.01016.32
7.3.260.0090.01116.46
7.3.250.0100.00716.30
7.3.240.0090.00816.40
7.3.230.0060.01016.51
7.3.210.0110.00716.57
7.3.200.0100.00716.25
7.3.190.0080.00816.55
7.3.180.0080.00816.48
7.3.170.0080.00816.50
7.3.160.0100.01316.62
7.3.10.0080.00616.74
7.3.00.0070.00716.54
7.2.330.0120.00616.37
7.2.320.0090.00916.39
7.2.310.0100.01016.70
7.2.300.0150.00616.77
7.2.290.0130.00316.48
7.2.130.0030.01016.68
7.2.120.0060.00916.68
7.2.110.0080.00416.67
7.2.100.0040.01116.82
7.2.90.0070.00716.88
7.2.80.0030.01217.01
7.2.70.0030.01316.99
7.2.60.0060.00616.95
7.2.50.0060.00616.96
7.2.40.0000.01316.98
7.2.30.0070.01418.46
7.2.20.0090.01218.37
7.2.10.0090.01118.26
7.2.00.0050.01218.38
7.1.250.0030.00615.84
7.1.200.0060.00915.87
7.1.150.0140.01118.77
7.1.140.0090.01518.78
7.1.130.0070.01418.63
7.1.120.0060.01318.81
7.1.110.0100.01118.00
7.1.100.0070.01418.16
7.1.90.0110.00818.38
7.1.80.0120.01118.07
7.1.70.0070.01517.08
7.1.60.0270.01135.04
7.1.50.0320.01534.83
7.1.40.0240.01734.20
7.1.30.0220.01834.45
7.1.20.0260.01634.74
7.1.10.0070.01116.63
7.1.00.0080.01316.57

preferences:
61.41 ms | 400 KiB | 5 Q