3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "А Анна упала на лапу Азора"; $words = explode(' ', $text); foreach($words as &$word) { $reverse_word = utf8_strrev($word); if (strtolower($word) == strtolower($reverse_word)) { echo $word . " - поллиндром\n"; } else { echo $word . " - не поллиндром\n"; } } function utf8_strrev($str){ preg_match_all('/./us', $str, $ar); return join('',array_reverse($ar[0])); }

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)
8.5.00.0140.00920.29
8.4.150.0040.00014.05
8.4.140.0150.00917.82
8.4.130.0060.00317.82
8.4.120.0150.00520.40
8.4.110.0090.01122.61
8.4.100.0130.00918.15
8.4.90.0120.01222.49
8.4.80.0140.00620.59
8.4.70.0100.01218.05
8.4.60.0100.01017.95
8.4.50.0090.00818.82
8.4.40.0090.00019.72
8.4.30.0100.01017.97
8.4.20.0030.00617.88
8.4.10.0000.00919.73
8.3.270.0060.00316.93
8.3.260.0130.00716.58
8.3.250.0070.01218.82
8.3.240.0140.00716.70
8.3.230.0090.01116.76
8.3.220.0100.00818.76
8.3.210.0110.00916.65
8.3.200.0130.00616.71
8.3.190.0040.00517.04
8.3.180.0130.00716.88
8.3.170.0120.00620.63
8.3.160.0120.00616.96
8.3.150.0130.00716.88
8.3.140.0030.00519.15
8.3.130.0080.00316.66
8.3.120.0090.00618.80
8.3.110.0080.00020.94
8.3.100.0030.00616.68
8.3.90.0090.00626.77
8.3.80.0000.00916.63
8.3.70.0180.00016.75
8.3.60.0150.00016.75
8.3.50.0020.01418.48
8.3.40.0040.01219.11
8.3.30.0120.00318.84
8.3.20.0000.00721.59
8.3.10.0040.00421.73
8.3.00.0000.00819.79
8.2.290.0090.01120.53
8.2.280.0080.00716.86
8.2.270.0040.00417.15
8.2.260.0040.00416.82
8.2.250.0040.00417.03
8.2.240.0080.00818.93
8.2.230.0090.00022.58
8.2.220.0030.00724.06
8.2.210.0000.00826.77
8.2.200.0070.00316.88
8.2.190.0160.00616.75
8.2.180.0180.00025.92
8.2.170.0130.00619.26
8.2.160.0070.01422.96
8.2.150.0050.00325.66
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0050.00519.13
8.2.110.0090.00922.28
8.2.100.0080.00317.91
8.2.90.0080.00019.25
8.2.80.0030.00617.97
8.2.70.0090.00017.73
8.2.60.0040.00418.16
8.2.50.0030.00518.10
8.2.40.0040.00420.55
8.2.30.0070.00019.29
8.2.20.0030.00518.07
8.2.10.0000.00718.05
8.2.00.0070.00018.20
8.1.330.0120.00722.19
8.1.320.0170.00416.35
8.1.310.0110.00418.07
8.1.300.0150.00420.02
8.1.290.0090.00018.88
8.1.280.0080.01125.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0080.00023.92
8.1.230.0040.00717.75
8.1.220.0030.00617.74
8.1.210.0050.00518.77
8.1.200.0030.00717.47
8.1.190.0000.00817.47
8.1.180.0040.00418.10
8.1.170.0040.00418.62
8.1.160.0040.00418.96
8.1.150.0080.00018.91
8.1.140.0040.00419.62
8.1.130.0000.00718.90
8.1.120.0030.00517.60
8.1.110.0040.00417.61
8.1.100.0040.00417.61
8.1.90.0050.00317.64
8.1.80.0030.00617.51
8.1.70.0030.00317.59
8.1.60.0000.00817.77
8.1.50.0030.00517.65
8.1.40.0030.00617.58
8.1.30.0040.00417.73
8.1.20.0040.00417.81
8.1.10.0000.00717.72
8.1.00.0090.00017.63
8.0.300.0000.00818.77
8.0.290.0040.00416.88
8.0.280.0000.00718.34
8.0.270.0000.00717.27
8.0.260.0070.00019.01
8.0.250.0040.00417.04
8.0.240.0020.00517.10
8.0.230.0000.00717.14
8.0.220.0030.00317.09
8.0.210.0030.00317.07
8.0.200.0000.00717.02
8.0.190.0030.00517.16
8.0.180.0040.00417.13
8.0.170.0070.00017.13
8.0.160.0030.00517.05
8.0.150.0070.00017.04
8.0.140.0000.00816.94
8.0.130.0050.00013.47
8.0.120.0000.00817.06
8.0.110.0070.00017.16
8.0.100.0000.00716.95
8.0.90.0030.00517.15
8.0.80.0100.00617.07
8.0.70.0040.00416.98
8.0.60.0000.00716.94
8.0.50.0000.00816.99
8.0.30.0050.01117.34
8.0.20.0100.00917.41
8.0.10.0050.00216.93
8.0.00.0180.00016.83
7.4.330.0020.00215.55
7.4.320.0030.00316.73
7.4.300.0030.00316.63
7.4.290.0000.00716.61
7.4.280.0060.00616.75
7.4.270.0050.00316.80
7.4.260.0000.00716.59
7.4.250.0000.00816.61
7.4.240.0030.00316.73
7.4.230.0070.00016.89
7.4.220.0170.00316.80
7.4.210.0000.01416.78
7.4.200.0040.00416.95
7.4.160.0110.00516.80
7.4.150.0040.01417.40
7.4.140.0080.00917.86
7.4.130.0090.01016.75
7.4.120.0110.01316.63
7.4.110.0030.01316.59
7.4.100.0120.01216.73
7.4.90.0000.01716.76
7.4.80.0110.00619.39
7.4.70.0110.00916.60
7.4.60.0100.00716.72
7.4.50.0040.01516.59
7.4.40.0080.00816.67
7.4.30.0140.00616.48
7.4.00.0080.00615.25
7.3.330.0000.00513.49
7.3.320.0060.00013.40
7.3.310.0030.00316.61
7.3.300.0060.00016.63
7.3.290.0070.00816.51
7.3.280.0090.00916.48
7.3.270.0100.00817.40
7.3.260.0070.01216.58
7.3.250.0110.00816.70
7.3.240.0050.01316.75
7.3.230.0060.01216.48
7.3.210.0030.01216.52
7.3.200.0030.01316.80
7.3.190.0090.00916.48
7.3.180.0100.00716.49
7.3.170.0110.00616.53
7.3.160.0100.00716.80
7.2.330.0100.01016.93
7.2.320.0120.00617.05
7.2.310.0110.00616.66
7.2.300.0140.00316.64
7.2.290.0130.00316.89
7.2.60.0030.00716.87
7.1.200.0060.00615.86
7.1.70.0000.00817.39
7.1.60.0600.01733.44
7.1.50.0630.01033.21
7.1.40.0770.00732.73
7.1.30.1030.00732.87
7.1.20.0670.01332.89
7.1.10.0830.00714.90
7.1.00.0800.01715.04
7.0.200.0770.00714.71
7.0.190.0970.00315.07
7.0.180.0570.01014.68
7.0.170.0800.01014.65
7.0.160.1170.00714.55
7.0.150.0770.00714.53
7.0.140.0970.01014.62
7.0.130.0630.01014.98
7.0.120.0670.01314.86
7.0.110.1230.01014.65
7.0.100.1030.01314.60
7.0.90.0700.01014.59
7.0.80.0770.01314.70
7.0.70.1030.01314.76
7.0.60.0870.01014.47
7.0.50.0770.01014.67
7.0.40.0700.01714.72
7.0.30.1000.01014.73
7.0.20.0870.00714.74
7.0.10.0870.00714.73
7.0.00.0630.01314.76

preferences:
40.51 ms | 403 KiB | 5 Q