3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "天在变 我心 融化 谁能懂 恨 与谁共"; function asc2bin($temp) { $len = strlen($temp); for($i=0; $i<$len; $i++) { $data .= sprintf("%08b", ord(substr($temp, $i, 1))); } return $data; } echo asc2bin($str);

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)
8.3.60.0090.00618.43
8.3.50.0130.00521.28
8.3.40.0070.00718.96
8.3.30.0060.01219.23
8.3.20.0040.00420.39
8.3.10.0040.00423.59
8.3.00.0060.00319.38
8.2.180.0090.00616.75
8.2.170.0070.00722.96
8.2.160.0100.00320.53
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0040.00422.23
8.2.110.0090.00021.94
8.2.100.0040.00817.75
8.2.90.0050.00319.41
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0030.00617.93
8.2.50.0030.00618.07
8.2.40.0050.00320.10
8.2.30.0000.00718.19
8.2.20.0000.00717.75
8.2.10.0000.00818.01
8.2.00.0000.00817.71
8.1.280.0100.00325.92
8.1.270.0090.00022.19
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00324.02
8.1.230.0040.00719.26
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.13
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0030.00618.59
8.1.160.0000.00721.96
8.1.150.0050.00218.84
8.1.140.0040.00417.44
8.1.130.0080.00017.70
8.1.120.0030.00317.45
8.1.110.0040.00417.42
8.1.100.0000.00717.36
8.1.90.0000.00817.31
8.1.80.0030.00317.25
8.1.70.0030.00317.39
8.1.60.0060.00317.43
8.1.50.0000.00817.59
8.1.40.0000.00817.49
8.1.30.0040.00417.69
8.1.20.0050.00217.57
8.1.10.0000.00817.39
8.1.00.0000.00917.40
8.0.300.0060.00318.77
8.0.290.0030.00616.75
8.0.280.0040.00418.50
8.0.270.0040.00417.18
8.0.260.0000.00617.21
8.0.250.0070.00016.98
8.0.240.0050.00217.08
8.0.230.0000.00717.03
8.0.220.0030.00516.82
8.0.210.0060.00016.93
8.0.200.0000.00616.95
8.0.190.0030.00616.92
8.0.180.0000.00816.98
8.0.170.0060.00316.87
8.0.160.0070.00016.87
8.0.150.0040.00416.86
8.0.140.0000.00716.88
8.0.130.0000.00613.40
8.0.120.0040.00416.76
8.0.110.0080.00016.94
8.0.100.0000.00817.02
8.0.90.0020.00517.02
8.0.80.0060.00916.88
8.0.70.0000.00716.97
8.0.60.0000.00816.95
8.0.50.0050.00316.79
8.0.30.0130.00617.11
8.0.20.0100.00917.41
8.0.10.0030.00517.00
8.0.00.0110.00616.75
7.4.330.0000.00515.00
7.4.320.0000.00616.50
7.4.300.0000.00616.41
7.4.290.0040.00416.62
7.4.280.0000.00916.53
7.4.270.0000.00716.42
7.4.260.0000.00716.46
7.4.250.0040.00416.63
7.4.240.0040.00316.57
7.4.230.0030.00316.64
7.4.220.0070.01116.69
7.4.210.0070.00816.59
7.4.200.0070.00016.27
7.4.160.0040.01216.57
7.4.150.0070.01117.40
7.4.140.0110.00917.86
7.4.130.0070.00916.62
7.4.120.0110.00616.52
7.4.110.0030.01316.52
7.4.100.0090.00916.65
7.4.90.0070.01016.45
7.4.80.0100.01219.39
7.4.70.0070.01216.46
7.4.60.0120.00616.40
7.4.50.0030.00616.25
7.4.40.0100.00716.33
7.4.30.0060.01016.69
7.4.00.0060.01015.19
7.3.330.0050.00013.46
7.3.320.0050.00013.27
7.3.310.0040.00416.48
7.3.300.0030.00516.46
7.3.290.0030.01516.43
7.3.280.0090.00816.43
7.3.270.0030.01617.40
7.3.260.0180.00616.52
7.3.250.0120.00516.53
7.3.240.0080.01116.58
7.3.230.0110.00616.50
7.3.210.0080.00816.66
7.3.200.0100.01319.39
7.3.190.0110.01116.62
7.3.180.0160.00016.38
7.3.170.0130.00316.58
7.3.160.0060.00916.66
7.3.10.0090.00616.88
7.3.00.0000.01416.73
7.2.330.0090.00916.80
7.2.320.0060.01116.48
7.2.310.0050.01416.53
7.2.300.0070.01016.63
7.2.290.0120.00616.84
7.2.130.0060.00917.01
7.2.120.0040.00717.00
7.2.110.0030.01316.74
7.2.100.0060.00616.63
7.2.90.0030.01017.03
7.2.80.0070.00716.85
7.2.70.0060.00916.86
7.2.60.0060.00617.02
7.2.50.0040.00816.90
7.2.40.0020.01016.99
7.2.30.0030.00816.84
7.2.20.0070.00617.00
7.2.10.0030.01017.07
7.2.00.0020.00918.14
7.1.250.0060.00915.80
7.1.100.0030.01017.95
7.1.70.0000.00817.26
7.1.60.0060.01019.11
7.1.50.0180.00417.15
7.1.00.0000.07722.46
7.0.200.0030.00716.69
7.0.140.0070.07321.97
7.0.60.0130.08319.93
7.0.50.0000.05317.87
7.0.40.0030.09020.24
7.0.30.0330.07020.16
7.0.20.0200.04320.24
7.0.10.0070.05320.16
7.0.00.0070.04020.12
5.6.280.0000.07721.10
5.6.210.0070.07720.51
5.6.200.0030.06318.24
5.6.190.0070.05320.55
5.6.180.0170.05020.67
5.6.170.1170.04020.53
5.6.160.0130.08320.71
5.6.150.0030.05718.23
5.6.140.0100.07718.11
5.6.130.0070.06318.18
5.6.120.0030.07020.88
5.6.110.0200.07721.10
5.6.100.0030.08720.99
5.6.90.0030.06020.97
5.6.80.0030.04020.54
5.5.350.0170.04320.30
5.5.340.0100.07318.04
5.5.330.0030.08020.35
5.5.320.0270.05020.35
5.5.310.0230.07320.21
5.5.300.0030.04018.02
5.5.290.0070.07318.02
5.5.280.0130.08020.87
5.5.270.0100.06720.95
5.5.260.0070.05720.67
5.5.250.0170.07320.55
5.5.240.0100.03320.26
5.4.450.0170.05019.40
5.4.440.0730.05719.60
5.4.430.0870.05019.55
5.4.420.0670.00019.52
5.4.410.0800.00019.45
5.4.400.0630.00019.12
5.4.390.0600.00019.07
5.4.380.0670.00019.03
5.4.370.0770.00019.07
5.4.360.0630.00019.04
5.4.350.0670.00019.16
5.4.340.0050.03812.02
5.4.320.0080.03412.51
5.4.310.0060.03812.50
5.4.300.0050.03812.50
5.4.290.0060.03912.50
5.4.280.0070.04412.40
5.4.270.0070.03612.40
5.4.260.0040.04012.39
5.4.250.0060.03812.39
5.4.240.0080.03312.40
5.4.230.0070.03612.39
5.4.220.0040.03912.39
5.4.210.0040.03712.39
5.4.200.0060.03812.39
5.4.190.0090.03212.39
5.4.180.0080.03812.38
5.4.170.0040.04412.40
5.4.160.0080.03612.39
5.4.150.0100.03712.39
5.4.140.0080.04712.07
5.4.130.0030.03812.06
5.4.120.0080.03312.01
5.4.110.0060.03512.02
5.4.100.0080.03512.02
5.4.90.0040.04112.01
5.4.80.0110.03412.01
5.4.70.0050.03712.01
5.4.60.0100.03212.00
5.4.50.0070.03612.01
5.4.40.0070.03812.00
5.4.30.0050.04311.99
5.4.20.0050.03611.99
5.4.10.0050.03812.00
5.4.00.0050.03711.48
5.3.290.0050.04012.80
5.3.280.0040.04012.70
5.3.270.0060.04012.73
5.3.260.0060.03912.72
5.3.250.0090.03512.72
5.3.240.0050.03912.72
5.3.230.0040.04012.71
5.3.220.0050.04312.68
5.3.210.0090.03712.68
5.3.200.0070.05112.68
5.3.190.0090.04512.68
5.3.180.0080.03612.67
5.3.170.0070.04312.66
5.3.160.0080.04312.68
5.3.150.0100.03912.68
5.3.140.0080.04012.66
5.3.130.0120.03812.66
5.3.120.0110.04312.65
5.3.110.0090.04712.66
5.3.100.0090.03812.12
5.3.90.0040.04512.10
5.3.80.0110.04512.09
5.3.70.0100.04812.09
5.3.60.0080.05112.07
5.3.50.0090.04612.02
5.3.40.0080.04412.02
5.3.30.0100.04211.98
5.3.20.0110.04511.77
5.3.10.0090.04611.73
5.3.00.0070.04411.72
5.2.170.0110.0549.21
5.2.160.0080.0469.22
5.2.150.0100.0369.22
5.2.140.0100.0299.21
5.2.130.0060.0319.18
5.2.120.0090.0409.17
5.2.110.0080.0409.18
5.2.100.0080.0419.17
5.2.90.0100.0539.18
5.2.80.0060.0509.17
5.2.70.0160.0409.17
5.2.60.0050.0339.13
5.2.50.0020.0389.09
5.2.40.0070.0319.07
5.2.30.0080.0389.04
5.2.20.0040.0429.04
5.2.10.0080.0368.94
5.2.00.0070.0368.80
5.1.60.0050.0278.09
5.1.50.0050.0258.08
5.1.40.0060.0248.06
5.1.30.0070.0268.41
5.1.20.0090.0248.43
5.1.10.0040.0278.16
5.1.00.0050.0308.16
5.0.50.0020.0256.64
5.0.40.0040.0216.50
5.0.30.0010.0406.30
5.0.20.0040.0206.27
5.0.10.0040.0216.26
5.0.00.0080.0326.25
4.4.90.0050.0154.78
4.4.80.0040.0164.76
4.4.70.0030.0174.75
4.4.60.0030.0204.75
4.4.50.0040.0164.77
4.4.40.0030.0274.70
4.4.30.0060.0144.76
4.4.20.0030.0194.84
4.4.10.0020.0204.84
4.4.00.0060.0304.76
4.3.110.0050.0144.67
4.3.100.0020.0174.66
4.3.90.0040.0134.64
4.3.80.0040.0244.58
4.3.70.0020.0164.63
4.3.60.0020.0154.63
4.3.50.0030.0154.62
4.3.40.0020.0274.54
4.3.30.0010.0173.30
4.3.20.0010.0173.27
4.3.10.0050.0183.24
4.3.00.0030.0207.09

preferences:
41.5 ms | 401 KiB | 5 Q