3v4l.org

run code in 300+ PHP versions simultaneously
<?php $some_string = 'ффффффффффффффффффффффффффффффф'; $str = mb_strcut($some_string, 0,31,'UTF-8'); echo json_encode(serialize($some_string)); //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)
8.3.60.0210.00318.43
8.3.50.0090.00621.26
8.3.40.0070.01418.67
8.3.30.0070.00720.34
8.3.20.0050.00320.38
8.3.10.0080.00022.09
8.3.00.0070.00022.40
8.2.180.0070.01416.38
8.2.170.0100.01022.96
8.2.160.0100.00320.35
8.2.150.0070.00024.18
8.2.140.0110.00724.66
8.2.130.0100.01026.16
8.2.120.0000.00819.68
8.2.110.0090.00022.26
8.2.100.0080.00419.40
8.2.90.0000.00919.18
8.2.80.0040.00419.29
8.2.70.0040.00417.63
8.2.60.0030.00518.03
8.2.50.0080.00018.07
8.2.40.0080.00018.20
8.2.30.0030.00517.94
8.2.20.0000.00717.71
8.2.10.0070.00017.66
8.2.00.0030.00617.72
8.1.280.0150.00625.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.79
8.1.230.0040.00719.07
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0080.00017.23
8.1.190.0000.00817.39
8.1.180.0000.00820.11
8.1.170.0090.00018.46
8.1.160.0030.00522.14
8.1.150.0070.00018.67
8.1.140.0050.00217.39
8.1.130.0050.00317.82
8.1.120.0040.00717.29
8.1.110.0040.00417.44
8.1.100.0040.00417.45
8.1.90.0070.00017.41
8.1.80.0000.00717.43
8.1.70.0000.00817.39
8.1.60.0000.00817.37
8.1.50.0000.00717.36
8.1.40.0040.00417.44
8.1.30.0000.00817.57
8.1.20.0030.00517.54
8.1.10.0000.00717.37
8.1.00.0060.00317.54
8.0.300.0040.00418.77
8.0.290.0040.00417.03
8.0.280.0000.00818.50
8.0.270.0000.00817.32
8.0.260.0000.00716.80
8.0.250.0030.00317.04
8.0.240.0050.00317.08
8.0.230.0060.00016.81
8.0.220.0000.00716.86
8.0.210.0040.00416.86
8.0.200.0030.00316.95
8.0.190.0000.00716.96
8.0.180.0020.00616.94
8.0.170.0040.00416.84
8.0.160.0000.00716.78
8.0.150.0040.00316.86
8.0.140.0030.00316.75
8.0.130.0000.00513.32
8.0.120.0060.00316.76
8.0.110.0030.00416.85
8.0.100.0000.00716.79
8.0.90.0070.00016.79
8.0.80.0100.00516.84
8.0.70.0040.00416.71
8.0.60.0080.00016.84
8.0.50.0030.00516.93
8.0.30.0100.01017.01
8.0.20.0090.01017.40
8.0.10.0040.00416.99
8.0.00.0060.01116.78
7.4.330.0000.00515.00
7.4.320.0030.00316.47
7.4.300.0030.00316.35
7.4.290.0030.00316.29
7.4.280.0000.00816.52
7.4.270.0000.00616.43
7.4.260.0000.00716.41
7.4.250.0040.00416.50
7.4.240.0000.00716.42
7.4.230.0030.00316.34
7.4.220.0100.00716.46
7.4.210.0060.01016.51
7.4.200.0000.00716.57
7.4.190.0030.00316.67
7.4.160.0080.01116.22
7.4.150.0090.00917.40
7.4.140.0160.00917.86
7.4.130.0120.00616.44
7.4.120.0100.00716.34
7.4.110.0090.00916.57
7.4.100.0130.01316.50
7.4.90.0120.00616.39
7.4.80.0100.00719.39
7.4.70.0100.00716.31
7.4.60.0070.01016.49
7.4.50.0000.00416.29
7.4.40.0110.00422.77
7.4.30.0110.00616.47
7.4.00.0140.00314.98
7.3.330.0020.00212.93
7.3.320.0030.00313.02
7.3.310.0070.00016.22
7.3.300.0060.00016.14
7.3.290.0080.00616.12
7.3.280.0090.00916.13
7.3.270.0060.01117.40
7.3.260.0110.00716.56
7.3.250.0060.01416.31
7.3.240.0080.01216.05
7.3.230.0130.00616.39
7.3.210.0110.00516.06
7.3.200.0060.01519.39
7.3.190.0070.01016.10
7.3.180.0150.00616.22
7.3.170.0040.01116.27
7.3.160.0220.00016.45
7.3.120.0030.01414.32
7.2.330.0070.01016.35
7.2.320.0090.01016.63
7.2.310.0070.01116.64
7.2.300.0100.00716.27
7.2.290.0030.01816.52
7.2.00.0040.01119.14
7.1.100.0080.00317.59
7.1.70.0000.00817.14
7.1.60.0100.01319.21
7.1.50.0000.01116.82
7.1.00.0030.03322.45
7.0.200.0070.01016.43
7.0.140.0130.06022.08
7.0.90.0100.06019.94
7.0.80.0130.06019.89
7.0.70.0630.08020.12
7.0.60.0570.07319.88
7.0.50.0630.07020.32
7.0.40.0170.07020.04
7.0.30.0130.07020.04
7.0.20.0000.08720.10
7.0.10.0130.07719.95
7.0.00.0100.07319.99
5.6.280.0030.07320.89
5.6.240.0030.08320.63
5.6.230.0030.07320.59
5.6.220.0030.09020.56
5.6.210.0070.07720.45
5.6.200.0200.07021.05
5.6.190.0130.07320.95
5.6.180.0100.07721.04
5.6.170.0100.04721.10
5.6.160.0100.08320.95
5.6.150.0170.07321.13
5.6.140.0030.05721.03
5.6.130.0100.08021.11
5.6.120.0030.05720.99
5.6.110.0070.08321.02
5.6.100.0170.07321.08
5.6.90.0030.08720.91
5.6.80.0100.05320.42
5.6.70.0200.06720.32
5.6.60.0070.08720.46
5.6.50.0030.04720.32
5.6.40.0070.04720.37
5.6.30.0030.07720.46
5.6.20.0030.08320.46
5.6.10.0130.04320.43
5.6.00.0130.07320.39
5.5.380.0100.08020.54
5.5.370.0130.07720.35
5.5.360.0030.09020.33
5.5.350.0130.08020.45
5.5.340.0070.05320.82
5.5.330.0030.08320.92
5.5.320.0070.08720.91
5.5.310.0170.06720.93
5.5.300.0130.08020.82
5.5.290.0070.05020.82
5.5.280.0030.09020.92
5.5.270.0000.09020.85
5.5.260.0170.06720.85
5.5.250.0100.08020.59
5.5.240.0230.03320.23
5.5.230.0070.08320.28
5.5.220.0070.07320.01
5.5.210.0070.05320.17
5.5.200.0100.07020.12
5.5.190.0130.07320.27
5.5.180.0030.06020.27
5.5.160.0130.04720.11
5.5.150.0170.06020.22
5.5.140.0100.07720.17
5.5.130.0030.06720.22
5.5.120.0070.05320.24
5.5.110.0170.07319.96
5.5.100.0030.06720.11
5.5.90.0070.06020.14
5.5.80.0200.06320.05
5.5.70.0000.07720.02
5.5.60.0130.06720.13
5.5.50.0000.07720.14
5.5.40.0130.06720.04
5.5.30.0070.04020.04
5.5.20.0100.08020.13
5.5.10.0070.07319.95
5.5.00.0030.05020.02
5.4.450.0130.04719.11
5.4.440.0130.07719.38
5.4.430.0100.08019.28
5.4.420.0070.05319.28
5.4.410.0000.08319.31
5.4.400.0000.04319.12
5.4.390.0130.07019.14
5.4.380.0070.07319.03
5.4.370.0030.05719.03
5.4.360.0130.05319.10
5.4.350.0070.07018.79
5.4.340.0100.07318.96
5.4.320.0030.04019.15
5.4.310.0130.06719.03
5.4.300.0130.06319.05
5.4.290.0030.08318.97
5.4.280.0000.08319.06
5.4.270.0100.03319.23
5.4.260.0170.05319.04
5.4.250.0030.07719.02
5.4.240.0000.08319.11
5.4.230.0070.06019.11
5.4.220.0100.07718.78
5.4.210.0030.04719.22
5.4.200.0070.08319.22
5.4.190.0070.05719.13
5.4.180.0130.06319.11
5.4.170.0100.06719.11
5.4.160.0070.07319.20
5.4.150.0100.05318.96
5.4.140.0030.06316.30
5.4.130.0070.06716.23
5.4.120.0130.03316.34
5.4.110.0100.07716.30
5.4.100.0130.04016.40
5.4.90.0130.03716.21
5.4.80.0000.05016.30
5.4.70.0100.07716.24
5.4.60.0100.06716.33
5.4.50.0200.05016.23
5.4.40.0170.06316.28
5.4.30.0030.05316.31
5.4.20.0100.06016.40
5.4.10.0100.03016.20
5.4.00.0000.04715.82
5.3.290.0070.08714.62
5.3.280.0100.04014.57
5.3.270.0130.07314.51
5.3.260.0000.06014.58
5.3.250.0100.04314.45
5.3.240.0070.04314.51
5.3.230.0130.06314.55
5.3.220.0030.07014.55
5.3.210.0070.05714.50
5.3.200.0000.05714.47
5.3.190.0070.05014.51
5.3.180.0030.06314.53
5.3.170.0100.07014.53
5.3.160.0100.04014.53
5.3.150.0070.05014.52
5.3.140.0170.06714.39
5.3.130.0130.06314.48
5.3.120.0000.08314.53
5.3.110.0070.07014.54
5.3.100.0030.07713.87
5.3.90.0130.06713.87
5.3.80.0000.05713.96
5.3.70.0030.07313.87
5.3.60.0000.07014.00
5.3.50.0170.06313.90
5.3.40.0130.03013.96
5.3.30.0130.06713.86
5.3.20.0100.05313.63
5.3.10.0070.07013.63
5.3.00.0030.06313.40
5.2.170.0000.04011.10
5.2.160.0070.05011.21
5.2.150.0070.03011.14
5.2.140.0030.06011.13
5.2.130.0030.05311.12
5.2.120.0100.03011.08
5.2.110.0130.02011.09
5.2.100.0100.02011.16
5.2.90.0030.03010.89
5.2.80.0030.04310.95
5.2.70.0030.04311.06
5.2.60.0000.03011.11
5.2.50.0030.05710.80
5.2.40.0030.02710.86
5.2.30.0030.03310.89
5.2.20.0030.03010.80
5.2.10.0030.04010.88
5.2.00.0030.03010.68
5.1.60.0030.02310.03
5.1.50.0030.02310.07
5.1.40.0000.02710.00
5.1.30.0000.03010.19
5.1.20.0000.02710.40
5.1.10.0000.02710.14
5.1.00.0030.02310.05
5.0.50.0000.0238.62
5.0.40.0000.0308.41
5.0.30.0000.0338.25
5.0.20.0030.0208.26
5.0.10.0000.0208.27
5.0.00.0070.0408.23
4.4.90.0000.0207.37
4.4.80.0000.0277.37
4.4.70.0000.0177.37
4.4.60.0030.0137.37
4.4.50.0000.0177.37
4.4.40.0030.0237.37
4.4.30.0030.0137.37
4.4.20.0000.0177.37
4.4.10.0030.0207.37
4.4.00.0000.0337.37
4.3.110.0030.0307.37
4.3.100.0030.0137.37
4.3.90.0000.0207.37
4.3.80.0000.0237.37
4.3.70.0000.0137.37
4.3.60.0000.0137.37
4.3.50.0100.0237.37
4.3.40.0000.0507.37
4.3.30.0030.0137.37
4.3.20.0000.0307.37
4.3.10.0000.0177.37
4.3.00.0000.0177.37

preferences:
47.9 ms | 401 KiB | 5 Q