3v4l.org

run code in 300+ PHP versions simultaneously
<?php $some_string = 'ффффффффффффффффффффффффффффффф'; echo mb_substr($some_string, 0,31,'UTF-8'); //echo strlen(json_encode(['message' => $some_string])).PHP_EOL; //$encode = base64_encode($some_string); //var_dump($encode); //var_dump([mb_strimwidth(json_encode(array('message' => stripslashes($some_string))),0,200,'...'),strlen(mb_strimwidth(json_encode(array('message' => $some_string)),0,200,'...'))]); //var_dump(json_encode(array('message' => str_replace(array('\u041a','\u0443'), array('',''), $some_string)))); //} //var_dump(mb_detect_encoding($some_string)); //var_dump(strlen(json_encode(array('message' => $some_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)
8.3.60.0100.01018.30
8.3.50.0110.00521.02
8.3.40.0070.00718.76
8.3.30.0070.00720.17
8.3.20.0050.00220.38
8.3.10.0000.00822.09
8.3.00.0070.00022.41
8.2.180.0070.00717.80
8.2.170.0070.00722.96
8.2.160.0030.01020.44
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0100.00726.16
8.2.120.0050.00319.63
8.2.110.0030.00620.54
8.2.100.0080.00417.74
8.2.90.0050.00319.21
8.2.80.0000.00819.34
8.2.70.0030.00717.63
8.2.60.0000.00817.93
8.2.50.0030.00618.07
8.2.40.0040.00418.16
8.2.30.0000.01018.14
8.2.20.0000.00717.73
8.2.10.0000.00717.50
8.2.00.0070.00317.57
8.1.280.0140.00025.92
8.1.270.0000.00824.66
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0080.00322.12
8.1.230.0040.00823.89
8.1.220.0030.00517.78
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0000.00817.39
8.1.180.0070.00020.17
8.1.170.0110.00018.39
8.1.160.0000.00822.19
8.1.150.0080.00018.65
8.1.140.0070.00017.43
8.1.130.0000.00817.87
8.1.120.0030.00617.44
8.1.110.0040.00417.46
8.1.100.0040.00417.39
8.1.90.0050.00217.40
8.1.80.0000.00717.41
8.1.70.0030.00317.35
8.1.60.0030.00617.45
8.1.50.0030.00517.39
8.1.40.0040.00417.53
8.1.30.0000.00817.50
8.1.20.0070.00017.63
8.1.10.0070.00017.53
8.1.00.0000.01117.45
8.0.300.0000.00718.77
8.0.290.0000.00717.13
8.0.280.0000.00718.47
8.0.270.0070.00017.27
8.0.260.0050.00316.89
8.0.250.0000.00717.02
8.0.240.0040.00417.02
8.0.230.0030.00416.94
8.0.220.0070.00016.87
8.0.210.0030.00316.92
8.0.200.0000.00716.86
8.0.190.0080.00016.95
8.0.180.0000.00716.84
8.0.170.0030.00716.94
8.0.160.0000.00716.93
8.0.150.0030.00316.89
8.0.140.0030.00516.76
8.0.130.0060.00013.29
8.0.120.0040.00416.88
8.0.110.0000.00716.81
8.0.100.0070.00016.77
8.0.90.0080.00016.97
8.0.80.0090.00616.86
8.0.70.0000.00716.75
8.0.60.0040.00416.77
8.0.50.0040.00416.68
8.0.30.0130.00516.98
8.0.20.0100.00917.40
8.0.10.0000.00717.02
8.0.00.0080.01016.81
7.4.330.0050.00015.00
7.4.320.0000.00616.51
7.4.300.0000.00616.57
7.4.290.0030.00316.55
7.4.280.0040.00416.59
7.4.270.0000.00616.47
7.4.260.0030.00316.43
7.4.250.0080.00016.52
7.4.240.0030.00516.52
7.4.230.0000.00616.48
7.4.220.0100.01716.61
7.4.210.0050.01016.38
7.4.200.0070.00016.65
7.4.190.0030.00316.31
7.4.160.0040.01216.60
7.4.150.0150.00317.40
7.4.140.0110.01117.86
7.4.130.0120.00816.52
7.4.120.0100.00716.52
7.4.110.0090.00916.45
7.4.100.0140.00316.34
7.4.90.0120.00616.42
7.4.80.0130.00319.39
7.4.70.0090.00916.42
7.4.60.0100.01316.45
7.4.50.0030.00516.06
7.4.40.0040.01122.77
7.4.30.0030.01316.21
7.4.00.0070.01114.90
7.3.330.0020.00212.98
7.3.320.0050.00013.01
7.3.310.0000.00816.09
7.3.300.0070.00016.18
7.3.290.0080.00616.17
7.3.280.0100.00616.13
7.3.270.0100.00717.40
7.3.260.0170.00016.39
7.3.250.0110.00616.29
7.3.240.0120.00616.17
7.3.230.0120.00616.39
7.3.210.0100.00616.04
7.3.200.0100.01019.39
7.3.190.0000.01716.33
7.3.180.0100.00716.16
7.3.170.0130.00316.27
7.3.160.0060.00916.34
7.3.120.0050.01014.85
7.3.110.0040.01414.70
7.3.100.0100.00714.55
7.3.90.0040.01414.93
7.3.80.0000.00914.86
7.3.70.0040.01414.46
7.3.60.0040.01214.76
7.3.50.0070.00714.71
7.3.40.0040.00714.82
7.3.30.0030.00914.75
7.3.20.0150.00016.34
7.3.10.0080.01016.42
7.3.00.0100.00316.44
7.2.330.0110.00716.24
7.2.320.0090.01516.52
7.2.310.0120.00916.39
7.2.300.0030.01416.41
7.2.290.0140.00316.59
7.2.250.0030.01415.03
7.2.240.0110.01114.89
7.2.230.0030.01014.64
7.2.220.0090.00014.82
7.2.210.0060.01115.03
7.2.200.0150.00314.79
7.2.190.0060.00315.05
7.2.180.0000.01314.90
7.2.170.0000.01014.74
7.2.130.0140.01116.45
7.2.120.0150.00616.60
7.2.110.0250.00716.41
7.2.100.0110.01716.73
7.2.90.0310.00416.27
7.2.80.0370.01016.94
7.2.70.0230.00916.77
7.2.60.0330.01016.83
7.2.50.0100.01016.43
7.2.40.0110.00716.84
7.2.30.0080.00616.59
7.2.20.0280.00416.69
7.2.10.0360.01016.34
7.2.00.0090.01118.06
7.1.330.0080.00515.69
7.1.320.0030.01015.50
7.1.310.0040.01115.63
7.1.300.0060.00615.78
7.1.290.0000.01315.74
7.1.280.0040.00415.77
7.1.270.0030.00915.39
7.1.260.0030.01015.74
7.1.250.0140.00615.28
7.1.100.0040.01117.77
7.1.70.0040.00417.07
7.1.60.0110.01419.21
7.1.50.0100.01316.77
7.1.00.0030.03322.25
7.0.200.0130.00414.97
7.0.140.0070.07021.97
7.0.60.0100.03719.86
7.0.50.0170.06317.83
7.0.40.0070.06320.07
7.0.30.0200.08320.08
7.0.20.0300.06020.01
7.0.10.0300.08320.30
7.0.00.0030.05320.08
5.6.210.0070.04720.68
5.6.200.0070.04718.22
5.6.190.0200.04720.59
5.6.180.0200.04020.77
5.6.170.0300.08020.71
5.6.160.0030.05020.33
5.6.150.0070.08718.15
5.6.140.0000.07718.18
5.6.130.0170.08018.17
5.6.120.0000.04321.01
5.6.110.0070.08720.97
5.6.100.0070.05721.02
5.6.90.0070.06721.02
5.6.80.0130.05020.53
5.6.70.0230.07020.39
5.5.350.0130.07020.36
5.5.340.0130.06317.96
5.5.330.0030.05320.13
5.5.320.0100.05020.34
5.5.310.0230.04320.41
5.5.300.0070.04017.91
5.5.290.0100.06017.98
5.5.280.0100.03720.79
5.5.270.0100.04020.86
5.5.260.0100.04020.85
5.5.250.0130.07720.79
5.5.240.0000.08320.34
5.4.450.0730.06719.47
5.4.440.1030.06319.46
5.4.430.1100.04319.49
5.4.420.1030.04319.14
5.4.410.0200.05019.48
5.4.400.0370.05718.69
5.4.390.0300.06018.70
5.4.380.0330.07018.66
5.4.370.0270.06318.57
5.4.360.0170.05018.76
5.4.350.0060.04011.97
5.4.340.0050.04911.97
5.4.320.0030.03812.45
5.4.310.0050.04312.45
5.4.300.0060.03612.45
5.4.290.0050.04312.45
5.4.280.0060.03412.34
5.4.270.0070.04112.34
5.4.260.0020.04012.34
5.4.250.0100.05018.68
5.4.240.0100.04718.69
5.4.230.0100.04718.98
5.4.220.0070.05318.68
5.4.210.0000.05718.78
5.4.200.0170.04018.84
5.4.190.0070.05318.69
5.4.180.0070.05018.72
5.4.170.0030.05318.80
5.4.160.0070.05018.70
5.4.150.0200.04318.73
5.4.140.0070.05316.30
5.4.130.0030.05016.29
5.4.120.0070.05016.39
5.4.110.0130.04316.25
5.4.100.0170.04316.49
5.4.90.0170.04016.32
5.4.80.0100.05016.30
5.4.70.0030.05016.32
5.4.60.0100.04716.44
5.4.50.0030.05016.37
5.4.40.0030.05316.36
5.4.30.0130.04016.46
5.4.20.0130.04316.32
5.4.10.0130.04716.33
5.4.00.0100.05015.91
5.3.290.0060.03812.80
5.3.280.0030.05314.29
5.3.270.0100.05714.50
5.3.260.0000.06014.48
5.3.250.0030.05714.62
5.3.240.0030.05314.75
5.3.230.0170.04014.60
5.3.220.0100.04714.45
5.3.210.0100.05014.61
5.3.200.0000.05714.48
5.3.190.0100.05314.71
5.3.180.0100.05014.41
5.3.170.0100.07314.45
5.3.160.0000.05714.70
5.3.150.0070.05014.57
5.3.140.0100.04714.25
5.3.130.0030.05714.54
5.3.120.0070.05314.55
5.3.110.0070.05314.31
5.3.100.0030.06014.04
5.3.90.0100.05014.03
5.3.80.0070.05013.90
5.3.70.0100.04713.79
5.3.60.0100.07014.02
5.3.50.0070.07013.83
5.3.40.0130.05013.96
5.3.30.0000.07314.05
5.3.20.0170.04013.70
5.3.10.0100.04313.69
5.3.00.0100.04713.52
5.2.170.0030.04311.05
5.2.160.0030.04311.14
5.2.150.0000.06311.23
5.2.140.0100.03711.23
5.2.130.0070.03711.02
5.2.120.0030.04011.16
5.2.110.0130.03011.00
5.2.100.0030.04010.93
5.2.90.0030.04011.00
5.2.80.0130.03311.00
5.2.70.0030.04311.08
5.2.60.0030.04010.96
5.2.50.0030.04011.13
5.2.40.0000.04711.03
5.2.30.0000.04710.85
5.2.20.0000.04310.84
5.2.10.0070.03710.93
5.2.00.0100.04310.63
5.1.60.0130.0239.93
5.1.50.0030.04010.03
5.1.40.0030.03310.02
5.1.30.0070.03710.54
5.1.20.0030.03710.40
5.1.10.0070.0339.91
5.1.00.0030.05010.25
5.0.50.0070.0338.50
5.0.40.0000.0308.32
5.0.30.0100.0378.25
5.0.20.0070.0238.10
5.0.10.0030.0278.13
5.0.00.0030.0408.22
4.4.90.0000.0236.11
4.4.80.0070.0176.11
4.4.70.0030.0236.11
4.4.60.0030.0206.11
4.4.50.0030.0206.11
4.4.40.0000.0436.11
4.4.30.0000.0236.11
4.4.20.0030.0206.11
4.4.10.0000.0236.11
4.4.00.0070.0306.11
4.3.110.0000.0276.11
4.3.100.0000.0236.11
4.3.90.0030.0176.11
4.3.80.0030.0336.11
4.3.70.0030.0206.11
4.3.60.0070.0176.11
4.3.50.0030.0206.11
4.3.40.0030.0406.11
4.3.30.0030.0276.11
4.3.20.0000.0276.11
4.3.10.0000.0206.11
4.3.00.0070.0206.34

preferences:
44.51 ms | 401 KiB | 5 Q