3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_check_encoding("\x84"), 'UTF-8');

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)
8.3.60.0090.00616.38
8.3.50.0140.00717.49
8.3.40.0110.00418.58
8.3.30.0030.01018.58
8.3.20.0080.00018.55
8.3.10.0040.00420.40
8.3.00.0050.00317.13
8.2.180.0120.00418.05
8.2.170.0090.00622.96
8.2.160.0110.00419.34
8.2.150.0080.00024.18
8.2.140.0000.01424.66
8.2.130.0050.00226.16
8.2.120.0070.00019.70
8.2.110.0000.00920.52
8.2.100.0000.01217.66
8.2.90.0040.00419.35
8.2.80.0040.00417.80
8.2.70.0040.00417.38
8.2.60.0030.00517.75
8.2.50.0000.00818.07
8.2.40.0080.00019.82
8.2.30.0070.00017.86
8.2.20.0040.00417.53
8.2.10.0040.00417.43
8.2.00.0040.00417.55
8.1.280.0160.00625.92
8.1.270.0060.00324.66
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0090.00020.75
8.1.230.0040.00720.75
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.11
8.1.190.0000.00817.38
8.1.180.0000.00818.10
8.1.170.0040.00418.96
8.1.160.0050.00218.70
8.1.150.0060.00318.57
8.1.140.0110.00017.35
8.1.130.0030.00317.76
8.1.120.0000.00717.30
8.1.110.0000.00717.27
8.1.100.0000.00717.37
8.1.90.0000.00717.38
8.1.80.0080.00017.38
8.1.70.0000.00717.28
8.1.60.0030.00517.42
8.1.50.0080.00017.26
8.1.40.0050.00317.34
8.1.30.0000.00717.60
8.1.20.0050.00317.55
8.1.10.0040.00417.44
8.1.00.0040.00417.38
8.0.300.0040.00421.64
8.0.290.0040.00416.58
8.0.280.0000.00718.42
8.0.270.0030.00317.13
8.0.260.0000.00816.71
8.0.250.0080.00016.84
8.0.240.0040.00416.79
8.0.230.0040.00416.93
8.0.220.0040.00416.71
8.0.210.0030.00316.80
8.0.200.0060.00016.92
8.0.190.0030.00516.80
8.0.180.0000.00716.87
8.0.170.0040.00416.84
8.0.160.0030.00316.91
8.0.150.0000.00916.79
8.0.140.0080.00016.79
8.0.130.0030.00313.26
8.0.120.0000.00816.80
8.0.110.0000.00816.86
8.0.100.0030.00516.72
8.0.90.0040.00416.77
8.0.80.0120.00916.77
8.0.70.0030.00316.82
8.0.60.0000.00716.79
8.0.50.0000.00716.74
8.0.30.0130.00616.90
8.0.20.0060.01217.07
8.0.10.0000.00716.93
8.0.00.0100.00916.68
7.4.330.0000.00614.65
7.4.320.0030.00316.52
7.4.300.0030.00316.42
7.4.290.0000.00616.39
7.4.280.0030.00616.38
7.4.270.0070.00016.33
7.4.260.0030.00313.22
7.4.250.0060.00316.45
7.4.240.0040.00416.45
7.4.230.0040.00416.33
7.4.220.0160.00716.30
7.4.210.0090.00616.51
7.4.200.0000.00716.26
7.4.190.0080.00016.36
7.4.160.0080.00816.30
7.4.150.0090.01317.07
7.4.140.0070.01017.16
7.4.130.0060.01216.39
7.4.120.0090.00816.34
7.4.110.0110.00716.40
7.4.100.0130.00716.45
7.4.90.0120.00916.24
7.4.80.0160.00618.80
7.4.70.0090.00616.31
7.4.60.0150.00816.40
7.4.50.0000.00621.37
7.4.40.0060.00621.69
7.4.30.0120.00616.45
7.4.00.0060.00814.73
7.3.330.0030.00313.11
7.3.320.0000.00512.99
7.3.310.0070.00016.21
7.3.300.0070.00016.21
7.3.290.0080.00816.14
7.3.280.0090.00716.18
7.3.270.0140.00317.07
7.3.260.0140.00618.24
7.3.250.0130.00516.31
7.3.240.0100.01316.50
7.3.230.0060.01516.40
7.3.210.0140.00716.32
7.3.200.0110.00719.39
7.3.190.0080.00916.21
7.3.180.0040.01216.26
7.3.170.0100.01116.25
7.3.160.0060.00916.09
7.3.120.0060.00914.39
7.2.330.0070.01116.25
7.2.320.0130.01016.45
7.2.310.0120.00916.51
7.2.300.0110.00616.54
7.2.290.0070.01016.54
7.2.60.0000.01116.52
7.2.00.0040.00819.20
7.1.200.0100.00015.62
7.1.100.0030.00817.94
7.1.70.0060.00316.99
7.1.60.0100.00717.13
7.1.50.0030.01716.63
7.1.00.0000.08022.49
7.0.200.0000.00716.67
7.0.140.0100.06022.09
7.0.120.0070.02722.18
7.0.60.0000.04719.85
7.0.50.0100.06017.89
7.0.40.0100.05320.03
7.0.30.0330.06720.30
7.0.20.0270.08320.29
7.0.10.0200.05020.09
7.0.00.0100.06720.01
5.6.280.0000.07020.90
5.6.210.0000.07720.72
5.6.200.0030.04718.22
5.6.190.0070.05020.41
5.6.180.0230.08020.47
5.6.170.0230.05720.38
5.6.160.0100.07720.46
5.6.150.0000.05718.08
5.6.140.0130.07318.20
5.6.130.0030.09018.25
5.6.120.0000.04320.95
5.6.110.0070.06321.04
5.6.100.0100.05320.97
5.6.90.0130.04721.13
5.6.80.0000.04320.34
5.6.70.4330.03320.49
5.5.350.0300.04020.31
5.5.340.0030.08317.99
5.5.330.0130.07720.41
5.5.320.0030.08720.36
5.5.310.0300.05720.20
5.5.300.0100.07717.92
5.5.290.0030.04018.02
5.5.280.0030.05320.89
5.5.270.0030.04020.75
5.5.260.0070.08320.76
5.5.250.0030.08320.49
5.5.240.0100.07320.11
5.4.450.0070.07019.48
5.4.440.0030.04319.40
5.4.430.0000.05019.48
5.4.420.0000.05019.32
5.4.410.0070.07319.09
5.4.400.0130.03019.08
5.4.390.0030.07319.20
5.4.380.0000.06019.18
5.4.370.0070.04319.11
5.4.360.0070.05019.14
5.4.350.0030.04019.00
5.4.340.0070.04019.16
5.4.320.0000.04319.17
5.4.310.0030.04718.79
5.4.300.0070.04018.95
5.4.290.0100.03318.91
5.4.280.0130.06718.80
5.4.270.0030.04719.17
5.4.260.0100.07019.18
5.4.250.0030.08019.11
5.4.240.0130.07318.99
5.4.230.0030.07319.14
5.4.220.0030.07319.16
5.4.210.0030.07018.77
5.4.200.0030.05319.20
5.4.190.0030.07018.99
5.4.180.0000.04018.79
5.4.170.0030.07719.13
5.4.160.0100.06318.98
5.4.150.0070.08019.05
5.4.140.0130.07316.34
5.4.130.0100.06716.25
5.4.120.0100.03716.28
5.4.110.0000.04016.30
5.4.100.0170.06316.27
5.4.90.0130.04016.27
5.4.80.0000.04716.32
5.4.70.0030.06016.59
5.4.60.0030.04716.37
5.4.50.0100.06716.29
5.4.40.0070.06016.20
5.4.30.0000.04016.20
5.4.20.0000.08016.32
5.4.10.0070.06716.24
5.4.00.0070.04015.65
5.3.290.0130.03314.63
5.3.280.0030.05014.51
5.3.270.0170.06714.52
5.3.260.0030.04714.54
5.3.250.0070.06714.56
5.3.240.0030.07314.58
5.3.230.0070.07714.38
5.3.220.0070.07314.52
5.3.210.0100.05314.46
5.3.200.0030.05014.57
5.3.190.0000.05014.52
5.3.180.0030.07714.49
5.3.170.0100.04714.48
5.3.160.0130.06714.51
5.3.150.0070.07314.50
5.3.140.0100.07314.46
5.3.130.0130.07314.46
5.3.120.0030.05014.49
5.3.110.0100.07014.49
5.3.100.0070.04313.97
5.3.90.0100.06313.89
5.3.80.0100.05013.99
5.3.70.0130.06013.99
5.3.60.0100.04313.94
5.3.50.0030.07013.76
5.3.40.0070.07713.76
5.3.30.0100.07313.84
5.3.20.0070.07013.65
5.3.10.0070.04313.47
5.3.00.0030.05013.58
5.2.170.0070.06011.07
5.2.160.0030.06011.07
5.2.150.0100.05711.07
5.2.140.0000.06011.09
5.2.130.0030.06711.18
5.2.120.0100.05010.92
5.2.110.0070.04710.98
5.2.100.0070.03010.95
5.2.90.0000.03311.04
5.2.80.0070.03011.02
5.2.70.0070.06011.02
5.2.60.0070.06010.91
5.2.50.0000.04010.91
5.2.40.0030.06010.92
5.2.30.0030.04010.97
5.2.20.0200.04010.77
5.2.10.0070.03710.95
5.2.00.0130.03710.79
5.1.60.0030.0539.98
5.1.50.0100.03310.06
5.1.40.0030.0379.98
5.1.30.0030.03010.32
5.1.20.0030.02710.39
5.1.10.0100.03710.05
5.1.00.0100.02310.03
5.0.50.0000.0208.55
5.0.40.0000.0378.55
5.0.30.0070.0378.06
5.0.20.0030.0408.19
5.0.10.0030.0438.32
5.0.00.0070.0278.21
4.4.90.0000.0277.88
4.4.80.0070.0137.88
4.4.70.0000.0377.88
4.4.60.0030.0277.88
4.4.50.0000.0307.88
4.4.40.0070.0477.88
4.4.30.0030.0177.88
4.4.20.0030.0337.88
4.4.10.0030.0177.88
4.4.00.0030.0277.88
4.3.110.0000.0237.88
4.3.100.0000.0337.88
4.3.90.0000.0277.88
4.3.80.0000.0277.88
4.3.70.0030.0337.88
4.3.60.0000.0177.88
4.3.50.0000.0207.88
4.3.40.0000.0407.88
4.3.30.0000.0337.88
4.3.20.0030.0337.88
4.3.10.0030.0207.88
4.3.00.0000.0377.88

preferences:
44.5 ms | 401 KiB | 5 Q