3v4l.org

run code in 300+ PHP versions simultaneously
<?php $some_string = 'ффффффффффффффффффффффффффффффффф'; echo strlen(json_encode(['message' => 'фффффффффффффффффффффффффффффффф'])).PHP_EOL; //$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)
8.3.60.0120.00918.53
8.3.50.0140.00721.21
8.3.40.0170.00018.71
8.3.30.0100.00320.20
8.3.20.0040.00420.21
8.3.10.0030.00522.10
8.3.00.0040.00422.39
8.2.180.0100.00716.50
8.2.170.0110.00422.96
8.2.160.0070.00720.28
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.66
8.2.110.0000.00922.17
8.2.100.0000.01119.18
8.2.90.0080.00019.02
8.2.80.0040.00519.09
8.2.70.0030.00617.59
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0040.00418.28
8.2.30.0040.00418.06
8.2.20.0080.00017.67
8.2.10.0040.00417.66
8.2.00.0030.00517.69
8.1.280.0180.00425.92
8.1.270.0070.00024.66
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.82
8.1.230.0070.00319.13
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0100.00317.22
8.1.190.0040.00417.41
8.1.180.0000.00920.07
8.1.170.0100.00018.50
8.1.160.0000.00722.15
8.1.150.0000.00718.58
8.1.140.0000.00817.41
8.1.130.0000.00817.75
8.1.120.0040.00317.36
8.1.110.0000.00717.43
8.1.100.0030.00517.39
8.1.90.0000.00817.30
8.1.80.0000.00717.52
8.1.70.0030.00317.48
8.1.60.0000.01017.49
8.1.50.0020.00617.51
8.1.40.0040.00417.52
8.1.30.0040.00417.53
8.1.20.0000.00817.63
8.1.10.0030.00517.52
8.1.00.0000.00817.52
8.0.300.0040.00418.77
8.0.290.0000.00817.16
8.0.280.0000.00718.36
8.0.270.0040.00417.32
8.0.260.0000.00616.86
8.0.250.0070.00016.84
8.0.240.0040.00416.87
8.0.230.0030.00316.83
8.0.220.0000.00616.88
8.0.210.0030.00316.86
8.0.200.0000.00616.97
8.0.190.0030.00316.85
8.0.180.0030.00316.88
8.0.170.0040.00416.89
8.0.160.0070.00016.78
8.0.150.0050.00316.78
8.0.140.0000.00716.76
8.0.130.0050.00013.42
8.0.120.0040.00416.74
8.0.110.0040.00416.79
8.0.100.0040.00416.92
8.0.90.0040.00416.77
8.0.80.0060.00916.86
8.0.70.0000.00716.97
8.0.60.0040.00416.91
8.0.50.0040.00416.62
8.0.30.0080.01416.93
8.0.20.0080.01017.40
8.0.10.0000.00916.87
8.0.00.0120.01516.87
7.4.330.0000.00615.00
7.4.320.0050.00216.44
7.4.300.0030.00316.37
7.4.290.0070.00016.54
7.4.280.0040.00416.43
7.4.270.0070.00016.47
7.4.260.0040.00416.42
7.4.250.0000.00716.41
7.4.240.0040.00316.52
7.4.230.0000.00716.63
7.4.220.0060.01316.41
7.4.210.0080.00516.57
7.4.200.0030.00316.64
7.4.190.0000.00716.44
7.4.160.0170.00016.34
7.4.150.0120.00617.40
7.4.140.0070.01117.86
7.4.130.0100.01016.50
7.4.120.0110.00616.53
7.4.110.0120.00916.48
7.4.100.0090.00916.30
7.4.90.0070.01116.54
7.4.80.0060.01219.39
7.4.70.0120.00916.41
7.4.60.0060.00916.45
7.4.50.0000.00516.29
7.4.40.0090.00622.77
7.4.30.0030.01416.18
7.4.00.0070.00714.89
7.3.330.0050.00013.08
7.3.320.0030.00312.93
7.3.310.0000.00716.38
7.3.300.0000.00716.23
7.3.290.0040.01116.19
7.3.280.0100.00516.21
7.3.270.0100.00617.40
7.3.260.0100.01016.44
7.3.250.0140.00716.26
7.3.240.0110.01116.21
7.3.230.0040.01416.46
7.3.210.0060.01116.55
7.3.200.0060.01319.39
7.3.190.0140.00316.47
7.3.180.0130.00716.46
7.3.170.0130.00716.39
7.3.160.0060.00916.50
7.3.120.0100.00714.79
7.2.330.0090.00916.54
7.2.320.0030.01416.53
7.2.310.0110.01116.36
7.2.300.0060.01016.56
7.2.290.0160.00016.44
7.2.60.0040.01116.96
7.2.50.0060.01016.82
7.1.200.0000.01315.70
7.1.70.0050.00317.11
7.1.60.0100.01319.21
7.1.50.0000.01016.73
7.1.00.0030.03322.27
7.0.200.0420.00314.44
7.0.140.0030.07322.07
7.0.90.0700.08320.13
7.0.80.0570.04719.84
7.0.70.0500.05319.95
7.0.60.0400.06019.92
7.0.50.0630.07720.24
7.0.40.0070.08720.05
7.0.30.0130.07720.17
7.0.20.0130.08320.08
7.0.10.0170.06720.08
7.0.00.0100.07720.14
5.6.280.0070.07021.11
5.6.240.0100.04020.66
5.6.230.0030.08020.51
5.6.220.0130.03320.67
5.6.210.0100.04320.46
5.6.200.0070.05021.07
5.6.190.0170.06021.13
5.6.180.0130.08021.04
5.6.170.0130.06021.07
5.6.160.0100.08021.08
5.6.150.0030.09020.94
5.6.140.0100.07321.03
5.6.130.0030.08321.07
5.6.120.0030.05721.05
5.6.110.0100.05021.02
5.6.100.0130.07720.93
5.6.90.0030.04321.07
5.6.80.0100.05320.39
5.6.70.0100.05320.39
5.6.60.0100.07720.38
5.6.50.0130.04720.39
5.6.40.0100.07020.39
5.6.30.0000.09020.39
5.6.20.0130.07320.29
5.6.10.0100.07320.40
5.6.00.0100.05720.28
5.5.380.0130.07020.34
5.5.370.0030.05020.43
5.5.360.0030.07020.35
5.5.350.0000.08720.38
5.5.340.0000.05020.75
5.5.330.0100.03720.73
5.5.320.0070.07320.89
5.5.310.0030.05320.72
5.5.300.0130.06020.70
5.5.290.0100.08320.92
5.5.280.0030.04320.73
5.5.270.0030.08720.71
5.5.260.0170.07020.81
5.5.250.0130.04320.69
5.5.240.0100.08720.21
5.5.230.0070.05720.20
5.5.220.0100.08020.27
5.5.210.0130.08020.11
5.5.200.0030.07720.21
5.5.190.0200.07320.16
5.5.180.0070.07020.20
5.5.160.0130.04720.20
5.5.150.0030.04320.16
5.5.140.0030.05320.11
5.5.130.0000.07720.22
5.5.120.0130.07320.21
5.5.110.0100.08020.16
5.5.100.0030.06320.08
5.5.90.0100.07020.08
5.5.80.0030.04720.07
5.5.70.0000.08320.14
5.5.60.0100.04319.93
5.5.50.0200.06320.12
5.5.40.0170.05720.14
5.5.30.0130.05319.92
5.5.20.0030.06720.01
5.5.10.0000.08019.97
5.5.00.0100.03720.12
5.4.450.0030.05319.47
5.4.440.0100.04719.14
5.4.430.0100.04319.28
5.4.420.0130.07719.22
5.4.410.0030.05019.37
5.4.400.0070.05719.25
5.4.390.0100.07319.02
5.4.380.0100.05318.81
5.4.370.0100.07319.09
5.4.360.0070.08719.10
5.4.350.0100.05318.93
5.4.340.0070.08018.81
5.4.320.0070.04319.14
5.4.310.0100.05019.12
5.4.300.0030.05019.02
5.4.290.0070.07719.04
5.4.280.0130.07319.07
5.4.270.0030.08019.07
5.4.260.0200.06719.02
5.4.250.0200.06019.04
5.4.240.0070.05319.12
5.4.230.0100.04019.05
5.4.220.0070.04018.89
5.4.210.0070.05318.97
5.4.200.0100.06718.78
5.4.190.0030.07719.03
5.4.180.0200.06718.93
5.4.170.0030.04319.03
5.4.160.0070.07319.00
5.4.150.0100.07318.92
5.4.140.0000.06316.32
5.4.130.0000.07016.34
5.4.120.0030.05016.22
5.4.110.0130.06316.33
5.4.100.0000.04016.32
5.4.90.0030.04716.34
5.4.80.0070.07016.41
5.4.70.0000.05016.32
5.4.60.0170.05716.28
5.4.50.0030.03716.31
5.4.40.0100.03316.23
5.4.30.0030.05316.24
5.4.20.0130.06316.25
5.4.10.0130.06716.18
5.4.00.0030.07715.72
5.3.290.0030.06014.63
5.3.280.0100.07314.54
5.3.270.0070.05014.46
5.3.260.0000.08014.60
5.3.250.0170.06314.60
5.3.240.0170.07014.57
5.3.230.0100.06714.56
5.3.220.0070.04014.40
5.3.210.0000.08314.42
5.3.200.0030.04714.53
5.3.190.0130.03014.51
5.3.180.0000.07714.43
5.3.170.0100.07014.54
5.3.160.0070.07014.50
5.3.150.0100.03314.38
5.3.140.0000.05014.56
5.3.130.0070.03714.50
5.3.120.0100.03714.54
5.3.110.0030.08314.54
5.3.100.0030.08013.95
5.3.90.0000.07714.01
5.3.80.0070.04014.04
5.3.70.0070.04013.79
5.3.60.0100.07013.91
5.3.50.0070.07313.93
5.3.40.0100.07313.80
5.3.30.0100.06013.66
5.3.20.0070.07013.65
5.3.10.0070.07013.52
5.3.00.0100.06713.63
5.2.170.0070.05011.12
5.2.160.0070.05710.95
5.2.150.0030.04711.13
5.2.140.0070.06011.00
5.2.130.0030.06311.16
5.2.120.0030.06311.08
5.2.110.0070.06011.12
5.2.100.0030.06011.17
5.2.90.0070.06310.96
5.2.80.0030.05711.13
5.2.70.0000.05711.09
5.2.60.0030.06711.04
5.2.50.0000.05011.02
5.2.40.0000.04010.95
5.2.30.0070.06010.81
5.2.20.0070.05710.96
5.2.10.0100.04710.87
5.2.00.0070.06010.71
5.1.60.0030.05310.02
5.1.50.0070.0579.89
5.1.40.0070.05010.01
5.1.30.0070.04010.41
5.1.20.0030.05710.40
5.1.10.0130.03310.07
5.1.00.0100.05010.05
5.0.50.0070.0438.54
5.0.40.0130.0208.29
5.0.30.0030.0638.21
5.0.20.0030.0208.18
5.0.10.0030.0178.21
5.0.00.0100.0608.14
4.4.90.0000.0377.32
4.4.80.0000.0377.32
4.4.70.0000.0377.32
4.4.60.0000.0407.32
4.4.50.0100.0307.32
4.4.40.0070.0477.32
4.4.30.0000.0307.32
4.4.20.0030.0337.32
4.4.10.0070.0307.32
4.4.00.0030.0437.32
4.3.110.0030.0377.32
4.3.100.0030.0177.32
4.3.90.0070.0107.32
4.3.80.0000.0307.32
4.3.70.0070.0137.32
4.3.60.0030.0207.32
4.3.50.0000.0177.32
4.3.40.0000.0537.32
4.3.30.0070.0307.32
4.3.20.0070.0337.32
4.3.10.0030.0337.32
4.3.00.0000.0307.32

preferences:
43.59 ms | 401 KiB | 5 Q