3v4l.org

run code in 300+ PHP versions simultaneously
<?php $some_string = 'ффффффффффффффффффффффффффффффффф'; echo strlen(json_encode('фффффффффффффффффффффффффффффффф')).PHP_EOL; //$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)
8.3.70.0120.00318.18
8.3.60.0060.00918.55
8.3.50.0110.00521.08
8.3.40.0110.00418.79
8.3.30.0070.00720.20
8.3.20.0000.00820.21
8.3.10.0000.00821.96
8.3.00.0040.00422.29
8.2.190.0110.00416.75
8.2.180.0110.00716.63
8.2.170.0070.00722.96
8.2.160.0100.00720.35
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0080.00019.54
8.2.110.0060.00322.25
8.2.100.0090.00319.28
8.2.90.0030.00619.23
8.2.80.0040.00419.39
8.2.70.0040.00417.50
8.2.60.0030.00617.93
8.2.50.0030.00618.07
8.2.40.0030.00617.92
8.2.30.0000.00718.12
8.2.20.0030.00617.67
8.2.10.0000.00817.50
8.2.00.0000.00817.62
8.1.280.0130.00625.92
8.1.270.0000.00824.66
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0040.00723.72
8.1.230.0040.00719.11
8.1.220.0040.00417.76
8.1.210.0030.00718.77
8.1.200.0120.00017.38
8.1.190.0040.00417.41
8.1.180.0000.00720.24
8.1.170.0040.00418.49
8.1.160.0000.00722.22
8.1.150.0040.00418.55
8.1.140.0040.00417.45
8.1.130.0070.00017.75
8.1.120.0070.00017.46
8.1.110.0000.00817.47
8.1.100.0050.00317.41
8.1.90.0000.00717.50
8.1.80.0000.00717.36
8.1.70.0000.00717.40
8.1.60.0030.00717.52
8.1.50.0040.00417.55
8.1.40.0030.00517.47
8.1.30.0040.00417.69
8.1.20.0000.00817.64
8.1.10.0040.00417.58
8.1.00.0040.00417.33
8.0.300.0040.00418.77
8.0.290.0030.00317.18
8.0.280.0040.00418.44
8.0.270.0000.00717.19
8.0.260.0000.00716.82
8.0.250.0000.00716.87
8.0.240.0030.00516.94
8.0.230.0000.00716.86
8.0.220.0070.00016.90
8.0.210.0030.00316.95
8.0.200.0000.00716.88
8.0.190.0040.00416.92
8.0.180.0000.00716.82
8.0.170.0030.00616.92
8.0.160.0050.00317.03
8.0.150.0000.00816.86
8.0.140.0000.00816.79
8.0.130.0000.00613.35
8.0.120.0000.00816.77
8.0.110.0000.00816.91
8.0.100.0070.00016.79
8.0.90.0040.00416.90
8.0.80.0090.00916.82
8.0.70.0040.00416.81
8.0.60.0000.00816.90
8.0.50.0040.00416.79
8.0.30.0080.01017.02
8.0.20.0130.00817.40
8.0.10.0030.00617.05
8.0.00.0090.00916.90
7.4.330.0000.00515.05
7.4.320.0000.00716.59
7.4.300.0060.00016.45
7.4.290.0000.00716.52
7.4.280.0080.00016.59
7.4.270.0030.00316.40
7.4.260.0030.00316.39
7.4.250.0070.00016.51
7.4.240.0020.00516.50
7.4.230.0030.00316.29
7.4.220.0110.00716.52
7.4.210.0070.00716.46
7.4.200.0030.00316.33
7.4.190.0000.00716.61
7.4.160.0090.00616.51
7.4.150.0030.01317.40
7.4.140.0080.00917.86
7.4.130.0120.00616.40
7.4.120.0080.00816.43
7.4.110.0060.01316.57
7.4.100.0110.01116.35
7.4.90.0030.02016.48
7.4.80.0090.00919.39
7.4.70.0080.00816.42
7.4.60.0090.00616.56
7.4.50.0040.00016.48
7.4.40.0120.00322.77
7.4.30.0110.01116.41
7.4.00.0090.00315.14
7.3.330.0000.00513.05
7.3.320.0030.00313.09
7.3.310.0000.00716.03
7.3.300.0000.00716.09
7.3.290.0070.00716.24
7.3.280.0100.00516.21
7.3.270.0110.00617.40
7.3.260.0180.00316.37
7.3.250.0180.00316.47
7.3.240.0060.00916.30
7.3.230.0110.00616.45
7.3.210.0150.00616.41
7.3.200.0030.01319.39
7.3.190.0120.00616.41
7.3.180.0090.01016.34
7.3.170.0080.00816.27
7.3.160.0110.01116.20
7.3.120.0070.00714.70
7.2.330.0090.01316.16
7.2.320.0080.01116.63
7.2.310.0100.00716.62
7.2.300.0030.01416.62
7.2.290.0030.01616.59
7.2.60.0030.01016.58
7.2.00.0070.01019.14
7.1.200.0060.00615.54
7.1.100.0040.00818.01
7.1.70.0000.00817.20
7.1.60.0130.01319.21
7.1.50.0100.01016.51
7.1.00.0030.03322.34
7.0.200.0270.00714.50
7.0.140.0070.07321.95
7.0.90.0700.08320.00
7.0.80.0670.08019.97
7.0.70.0470.04320.02
7.0.60.0430.05720.09
7.0.50.0630.04720.23
7.0.40.0070.08020.10
7.0.30.0100.07320.11
7.0.20.0130.07019.96
7.0.10.0100.07720.09
7.0.00.0030.08320.14
5.6.280.0130.06321.11
5.6.240.0030.06720.60
5.6.230.0030.05020.68
5.6.220.0100.04320.59
5.6.210.0130.07320.57
5.6.200.0000.07021.08
5.6.190.0100.08720.95
5.6.180.0070.08720.95
5.6.170.0100.05721.02
5.6.160.0100.08320.95
5.6.150.0030.07021.07
5.6.140.0030.05021.09
5.6.130.0030.08321.01
5.6.120.0070.05020.91
5.6.110.0100.05020.93
5.6.100.0030.05321.01
5.6.90.0130.07720.97
5.6.80.0070.08320.51
5.6.70.0100.08320.50
5.6.60.0070.07720.53
5.6.50.0100.07720.48
5.6.40.0170.06720.43
5.6.30.0000.05020.43
5.6.20.0130.07320.30
5.6.10.0070.08020.37
5.6.00.0170.07020.42
5.5.380.0100.07720.41
5.5.370.0030.05020.39
5.5.360.0030.04720.37
5.5.350.0070.04320.41
5.5.340.0130.08020.63
5.5.330.0030.06320.88
5.5.320.0170.07720.63
5.5.310.0130.08020.76
5.5.300.0170.07720.77
5.5.290.0100.04720.79
5.5.280.0200.03720.60
5.5.270.0070.05020.88
5.5.260.0170.04720.75
5.5.250.0000.07720.70
5.5.240.0130.06320.30
5.5.230.0100.07020.29
5.5.220.0100.06320.20
5.5.210.0000.07720.01
5.5.200.0100.04720.18
5.5.190.0070.07320.10
5.5.180.0100.05320.10
5.5.160.0070.06720.13
5.5.150.0070.08020.23
5.5.140.0130.07320.24
5.5.130.0170.06320.11
5.5.120.0070.04720.22
5.5.110.0070.04020.26
5.5.100.0130.05320.11
5.5.90.0030.07720.00
5.5.80.0130.04320.04
5.5.70.0100.05719.89
5.5.60.0070.07720.05
5.5.50.0030.08319.95
5.5.40.0030.08320.14
5.5.30.0130.07320.04
5.5.20.0070.04720.06
5.5.10.0070.04320.13
5.5.00.0070.08020.02
5.4.450.0100.07719.38
5.4.440.0030.08319.47
5.4.430.0100.07319.22
5.4.420.0030.05019.44
5.4.410.0100.07019.24
5.4.400.0130.06019.08
5.4.390.0100.07019.04
5.4.380.0000.04319.05
5.4.370.0100.07319.23
5.4.360.0070.04719.09
5.4.350.0070.07319.15
5.4.340.0000.04318.94
5.4.320.0030.07719.02
5.4.310.0070.07018.83
5.4.300.0030.04719.05
5.4.290.0070.04319.11
5.4.280.0030.07719.02
5.4.270.0070.07719.14
5.4.260.0070.03719.14
5.4.250.0100.07719.14
5.4.240.0130.07019.11
5.4.230.0130.07018.96
5.4.220.0130.07018.90
5.4.210.0100.06719.12
5.4.200.0070.07318.80
5.4.190.0130.06719.09
5.4.180.0100.03718.99
5.4.170.0030.08318.96
5.4.160.0070.03719.11
5.4.150.0100.07719.06
5.4.140.0100.07716.23
5.4.130.0200.06316.25
5.4.120.0070.06716.27
5.4.110.0070.07316.45
5.4.100.0000.07716.34
5.4.90.0070.04716.26
5.4.80.0070.06316.43
5.4.70.0070.07316.20
5.4.60.0030.07716.20
5.4.50.0130.06716.24
5.4.40.0130.07316.47
5.4.30.0170.06316.32
5.4.20.0030.06316.39
5.4.10.0100.07016.23
5.4.00.0070.06315.52
5.3.290.0130.04714.66
5.3.280.0100.07314.57
5.3.270.0030.06714.43
5.3.260.0030.05314.46
5.3.250.0170.06314.46
5.3.240.0030.07714.46
5.3.230.0100.07714.45
5.3.220.0030.04314.55
5.3.210.0070.07714.52
5.3.200.0170.05714.41
5.3.190.0130.07014.57
5.3.180.0100.07714.55
5.3.170.0100.06314.52
5.3.160.0070.08014.58
5.3.150.0170.06714.52
5.3.140.0030.07314.53
5.3.130.0070.07014.48
5.3.120.0000.06014.53
5.3.110.0100.07014.48
5.3.100.0070.06714.02
5.3.90.0100.04314.00
5.3.80.0070.04713.96
5.3.70.0000.04013.97
5.3.60.0070.03313.75
5.3.50.0000.04013.93
5.3.40.0030.04313.95
5.3.30.0030.04013.91
5.3.20.0000.03713.66
5.3.10.0000.03713.64
5.3.00.0070.03013.39
5.2.170.0000.03311.21
5.2.160.0100.02711.00
5.2.150.0000.03311.13
5.2.140.0100.02311.08
5.2.130.0030.02711.14
5.2.120.0070.05711.10
5.2.110.0000.03010.89
5.2.100.0000.03011.14
5.2.90.0000.02710.93
5.2.80.0070.02311.11
5.2.70.0000.04311.01
5.2.60.0000.03310.88
5.2.50.0070.04711.09
5.2.40.0000.03011.06
5.2.30.0000.03310.80
5.2.20.0070.02310.95
5.2.10.0000.03010.87
5.2.00.0070.04710.75
5.1.60.0070.04310.04
5.1.50.0030.02010.01
5.1.40.0030.02310.02
5.1.30.0000.03710.35
5.1.20.0000.04310.29
5.1.10.0070.02310.09
5.1.00.0000.0279.91
5.0.50.0000.0208.55
5.0.40.0000.0208.39
5.0.30.0030.0538.26
5.0.20.0070.0178.29
5.0.10.0000.0208.16
5.0.00.0000.0278.20
4.4.90.0000.0277.40
4.4.80.0000.0137.40
4.4.70.0000.0137.40
4.4.60.0000.0207.40
4.4.50.0000.0177.40
4.4.40.0000.0307.40
4.4.30.0000.0177.40
4.4.20.0000.0237.40
4.4.10.0030.0307.40
4.4.00.0000.0237.40
4.3.110.0000.0277.40
4.3.100.0000.0137.40
4.3.90.0030.0277.40
4.3.80.0000.0277.40
4.3.70.0030.0337.40
4.3.60.0000.0137.40
4.3.50.0000.0207.40
4.3.40.0000.0237.40
4.3.30.0100.0237.40
4.3.20.0000.0207.40
4.3.10.0000.0177.40
4.3.00.0000.0277.40

preferences:
43.84 ms | 401 KiB | 5 Q