3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "Hello Friend统计" ; print_r(explode(' ',$str)); $arr1 = str_split ( $str ); $arr2 = str_split ( $str , 3 );//按3个字节分割 print_r($arr1); print_r($arr2); function str_split_unicode($str, $l = 0) { if ($l > 0) { $ret = array(); $len = mb_strlen($str, "UTF-8"); for ($i = 0; $i < $len; $i += $l) { $ret[] = mb_substr($str, $i, $l, "UTF-8"); } return $ret; } return preg_split("//u", $str, -1, PREG_SPLIT_NO_EMPTY); } $s = '无符号整数'; // Open Source! print_r(str_split_unicode($s)); print_r(str_split_unicode($s, 3));

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)
8.3.60.0150.00616.88
8.3.50.0110.01022.11
8.3.40.0070.00718.79
8.3.30.0060.00818.97
8.3.20.0080.00020.01
8.3.10.0000.00821.91
8.3.00.0060.00319.18
8.2.180.0070.00718.54
8.2.170.0110.00722.96
8.2.160.0090.00620.26
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00726.16
8.2.120.0000.00822.25
8.2.110.0050.00522.25
8.2.100.0120.00017.97
8.2.90.0070.00318.09
8.2.80.0030.00518.98
8.2.70.0050.00317.63
8.2.60.0060.00617.63
8.2.50.0040.00417.93
8.2.40.0030.00521.32
8.2.30.0050.00317.97
8.2.20.0040.00417.81
8.2.10.0000.01118.07
8.2.00.0040.00417.96
8.1.280.0110.00425.92
8.1.270.0080.00023.84
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00022.62
8.1.230.0000.01221.05
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0080.00017.35
8.1.190.0000.00817.22
8.1.180.0040.00418.62
8.1.170.0040.00417.63
8.1.160.0040.00421.86
8.1.150.0040.00418.65
8.1.140.0070.00317.52
8.1.130.0040.00417.95
8.1.120.0040.00417.58
8.1.110.0040.00417.46
8.1.100.0070.00017.49
8.1.90.0030.00417.51
8.1.80.0050.00217.58
8.1.70.0040.00417.54
8.1.60.0070.00317.81
8.1.50.0080.00017.72
8.1.40.0040.00417.72
8.1.30.0030.00517.74
8.1.20.0030.00617.84
8.1.10.0040.00417.66
8.1.00.0030.00617.62
8.0.300.0000.00820.08
8.0.290.0050.00216.88
8.0.280.0070.00018.51
8.0.270.0040.00417.21
8.0.260.0000.00717.20
8.0.250.0000.00717.15
8.0.240.0050.00217.04
8.0.230.0030.00317.07
8.0.220.0000.00717.02
8.0.210.0030.00317.04
8.0.200.0030.00317.12
8.0.190.0040.00417.07
8.0.180.0040.00417.14
8.0.170.0000.00917.15
8.0.160.0030.00417.09
8.0.150.0060.00317.03
8.0.140.0050.00317.02
8.0.130.0040.00413.46
8.0.120.0040.00417.09
8.0.110.0080.00017.10
8.0.100.0000.00717.20
8.0.90.0000.00717.02
8.0.80.0120.00317.16
8.0.70.0040.00417.17
8.0.60.0000.00717.07
8.0.50.0040.00416.93
8.0.30.0110.00917.32
8.0.20.0100.00917.40
8.0.10.0000.00716.98
8.0.00.0080.00916.89
7.4.330.0000.00515.00
7.4.320.0000.00716.77
7.4.300.0000.00616.79
7.4.290.0070.00016.61
7.4.280.0000.00816.66
7.4.270.0030.00416.84
7.4.260.0000.00716.86
7.4.250.0000.00716.67
7.4.240.0060.00116.81
7.4.230.0000.00716.81
7.4.220.0100.00716.73
7.4.210.0050.00916.82
7.4.200.0030.00316.87
7.4.190.0040.00416.97
7.4.160.0080.00816.57
7.4.150.0030.01417.40
7.4.140.0130.00917.86
7.4.130.0060.01216.66
7.4.120.0130.00416.65
7.4.110.0070.01016.89
7.4.100.0180.00016.64
7.4.90.0130.01016.74
7.4.80.0090.00919.39
7.4.70.0150.00616.73
7.4.60.0090.00916.80
7.4.50.0000.00816.66
7.4.40.0030.01322.77
7.4.30.0050.01116.62
7.4.00.0000.01315.09
7.3.330.0000.00513.58
7.3.320.0000.00513.54
7.3.310.0030.00516.48
7.3.300.0070.00016.46
7.3.290.0030.01716.66
7.3.280.0090.01116.61
7.3.270.0170.00017.40
7.3.260.0090.00916.54
7.3.250.0090.01116.55
7.3.240.0110.00616.88
7.3.230.0090.00916.90
7.3.210.0120.00916.87
7.3.200.0150.01119.39
7.3.190.0070.01016.70
7.3.180.0130.00316.60
7.3.170.0090.01316.64
7.3.160.0040.01216.86
7.3.120.0070.00714.73
7.2.330.0100.00716.91
7.2.320.0110.00816.79
7.2.310.0030.01316.80
7.2.300.0130.00316.89
7.2.290.0140.00316.91
7.2.60.0040.01117.05
7.2.00.0030.00619.92
7.1.200.0060.00615.91
7.1.100.0100.00718.61
7.1.70.0030.00617.43
7.1.60.0100.01319.46
7.1.50.0040.00717.42
7.1.00.0070.07322.37
7.0.200.0070.01016.86
7.0.140.0000.07722.12
7.0.60.0130.07719.87
7.0.50.0030.07717.91
7.0.40.0000.07320.22
7.0.30.0570.05720.27
7.0.20.0230.05720.12
7.0.10.0000.05720.09
7.0.00.0030.08320.09
5.6.280.0070.07021.11
5.6.210.0070.06020.67
5.6.200.0100.07718.29
5.6.190.0030.04720.48
5.6.180.0230.08320.64
5.6.170.0270.05720.48
5.6.160.0170.04020.47
5.6.150.0100.05018.27
5.6.140.0070.04718.14
5.6.130.0070.07018.12
5.6.120.0170.06320.99
5.6.110.0030.04020.98
5.6.100.0130.07721.04
5.6.90.0170.07721.00
5.6.80.0070.03720.44
5.6.70.4100.03720.38
5.5.350.0170.08020.40
5.5.340.0030.07317.95
5.5.330.0100.08720.30
5.5.320.0270.05320.19
5.5.310.0300.07320.22
5.5.300.0030.04318.07
5.5.290.0170.06718.08
5.5.280.0100.08020.81
5.5.270.0100.04720.98
5.5.260.0070.07020.67
5.5.250.0030.08320.61
5.5.240.0130.03320.27
5.4.450.0870.05019.54
5.4.440.0700.04019.45
5.4.430.0630.06319.56
5.4.420.0100.05319.29
5.4.410.0730.05019.05
5.4.400.0830.05319.25
5.4.390.0670.06319.20
5.4.380.0270.05718.79
5.4.370.0300.05018.47
5.4.360.0330.06018.84
5.4.350.0370.05018.61
5.4.340.0300.05018.57
5.4.320.0070.03712.50
5.4.310.0110.03312.50
5.4.300.0110.04212.51
5.4.290.0060.04012.50
5.4.280.0070.03612.39
5.4.270.0060.03812.38
5.4.260.0060.03912.38
5.4.250.0070.04112.38
5.4.240.0120.04312.38
5.4.230.0120.04812.38
5.4.220.0110.04012.37
5.4.210.0100.05612.38
5.4.200.0150.04812.38
5.4.190.0070.05112.37
5.4.180.0110.05212.37
5.4.170.0120.05312.38
5.4.160.0110.05212.38
5.4.150.0080.05312.37
5.4.140.0090.05312.05
5.4.130.0160.04112.04
5.4.120.0080.03912.00
5.4.110.0070.05312.00
5.4.100.0130.05412.00
5.4.90.0110.05111.99
5.4.80.0060.06212.00
5.4.70.0080.05212.00
5.4.60.0200.05011.99
5.4.50.0090.03711.99
5.4.40.0090.04811.98
5.4.30.0150.03711.98
5.4.20.0130.03711.98
5.4.10.0060.04111.97
5.4.00.0080.03611.47
5.3.290.0030.04612.80
5.3.280.0070.04712.71
5.3.270.0110.03512.72
5.3.260.0130.05412.72
5.3.250.0090.04012.72
5.3.240.0100.04112.72
5.3.230.0130.03412.71
5.3.220.0100.04412.68
5.3.210.0110.04012.68
5.3.200.0070.04012.68
5.3.190.0060.04312.68
5.3.180.0070.04212.67
5.3.170.0110.04712.67
5.3.160.0060.05912.68
5.3.150.0110.03812.67
5.3.140.0130.05412.66
5.3.130.0130.06412.65
5.3.120.0210.07012.66
5.3.110.0070.04712.66
5.3.100.0080.04712.12
5.3.90.0070.04012.10
5.3.80.0080.04212.09
5.3.70.0100.04412.09
5.3.60.0100.04512.07
5.3.50.0110.06012.02
5.3.40.0050.04312.03
5.3.30.0110.04311.98
5.3.20.0070.05111.77
5.3.10.0110.05111.73
5.3.00.0060.04211.71
5.2.170.0090.0419.22
5.2.160.0110.0509.22
5.2.150.0060.0379.22
5.2.140.0050.0359.21
5.2.130.0070.0439.18
5.2.120.0050.0449.18
5.2.110.0090.0299.18
5.2.100.0060.0349.18
5.2.90.0030.0329.18
5.2.80.0060.0319.17
5.2.70.0100.0379.17
5.2.60.0060.0349.13
5.2.50.0070.0519.10
5.2.40.0040.0329.08
5.2.30.0050.0339.05
5.2.20.0080.0369.05
5.2.10.0120.0338.95
5.2.00.0080.0418.80
5.1.60.0090.0248.09
5.1.50.0060.0388.09
5.1.40.0070.0268.07
5.1.30.0140.0238.41
5.1.20.0050.0448.44
5.1.10.0100.0248.17
5.1.00.0060.0308.16
5.0.50.0060.0226.65
5.0.40.0490.0556.50
5.0.30.0100.0556.32
5.0.20.0110.0306.29
5.0.10.0080.0456.27
5.0.00.0060.0436.26
4.4.90.0040.0204.78
4.4.80.0070.0184.76
4.4.70.0020.0214.75
4.4.60.0030.0184.75
4.4.50.0040.0174.77
4.4.40.0040.0264.71
4.4.30.0060.0324.76
4.4.20.0020.0174.84
4.4.10.0030.0224.85
4.4.00.0030.0334.76
4.3.110.0030.0254.67
4.3.100.0020.0174.66
4.3.90.0040.0144.64
4.3.80.0040.0344.59
4.3.70.0040.0154.63
4.3.60.0060.0194.63
4.3.50.0000.0214.63
4.3.40.0030.0264.54
4.3.30.0010.0173.31
4.3.20.0030.0153.28
4.3.10.0020.0183.24
4.3.00.0530.03310.30

preferences:
59.8 ms | 400 KiB | 5 Q