3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(substr("高危错类信息", 3));

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)
8.3.60.0070.00716.61
8.3.50.0080.01016.28
8.3.40.0060.01118.77
8.3.30.0070.00718.67
8.3.20.0040.00418.63
8.3.10.0090.00020.41
8.3.00.0000.00819.13
8.2.180.0060.00918.04
8.2.170.0100.00722.96
8.2.160.0140.00720.32
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00420.11
8.2.110.0060.00321.18
8.2.100.0040.00717.55
8.2.90.0030.00619.08
8.2.80.0050.00219.41
8.2.70.0000.01017.38
8.2.60.0030.00617.91
8.2.50.0050.00318.07
8.2.40.0050.00317.90
8.2.30.0000.00717.83
8.2.20.0090.00019.31
8.2.10.0000.00717.53
8.2.00.0040.00417.43
8.1.280.0090.00925.92
8.1.270.0050.00224.66
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0060.00322.29
8.1.230.0070.00420.94
8.1.220.0040.00417.74
8.1.210.0110.00018.77
8.1.200.0040.00417.36
8.1.190.0000.00717.28
8.1.180.0000.00818.10
8.1.170.0040.00420.61
8.1.160.0040.00418.68
8.1.150.0050.00218.43
8.1.140.0070.00017.23
8.1.130.0000.00717.76
8.1.120.0070.00017.40
8.1.110.0040.00417.21
8.1.100.0030.00317.28
8.1.90.0000.00717.34
8.1.80.0000.00717.36
8.1.70.0030.00317.34
8.1.60.0000.00817.38
8.1.50.0040.00417.39
8.1.40.0000.00717.33
8.1.30.0040.00417.47
8.1.20.0040.00417.41
8.1.10.0000.00717.40
8.1.00.0030.00517.30
8.0.300.0040.00419.66
8.0.290.0050.00316.63
8.0.280.0030.00618.32
8.0.270.0000.00717.00
8.0.260.0030.00316.63
8.0.250.0050.00216.84
8.0.240.0000.00716.76
8.0.230.0030.00316.71
8.0.220.0000.00716.72
8.0.210.0070.00016.73
8.0.200.0030.00316.82
8.0.190.0050.00216.73
8.0.180.0040.00416.68
8.0.170.0000.00816.64
8.0.160.0000.00716.66
8.0.150.0000.00716.79
8.0.140.0000.00816.73
8.0.130.0050.00013.15
8.0.120.0080.00016.72
8.0.110.0040.00416.76
8.0.100.0040.00416.83
8.0.90.0050.00316.64
8.0.80.0140.00716.70
8.0.70.0000.00716.57
8.0.60.0000.00716.82
8.0.50.0070.00016.71
8.0.30.0100.00617.02
8.0.20.0160.00717.02
8.0.10.0040.00416.71
8.0.00.0110.00716.51
7.4.330.0000.00512.93
7.4.320.0050.00316.36
7.4.300.0030.00316.47
7.4.290.0020.00516.47
7.4.280.0060.00316.30
7.4.270.0040.00416.37
7.4.260.0030.00313.16
7.4.250.0080.00016.31
7.4.240.0030.00316.42
7.4.230.0030.00316.57
7.4.220.0110.00716.40
7.4.210.0110.00316.50
7.4.200.0000.00716.30
7.4.190.0070.00016.54
7.4.160.0120.00316.35
7.4.150.0150.00316.34
7.4.140.0120.00616.26
7.4.130.0080.00816.26
7.4.120.0060.01616.38
7.4.110.0060.01616.42
7.4.100.0140.00616.30
7.4.90.0140.00916.38
7.4.80.0120.00816.30
7.4.70.0050.01116.28
7.4.60.0030.01216.33
7.4.50.0050.00016.35
7.4.40.0090.00616.28
7.4.30.0090.00916.22
7.4.00.0100.00714.91
7.3.330.0030.00312.97
7.3.320.0030.00313.01
7.3.310.0070.00016.10
7.3.300.0000.00716.17
7.3.290.0080.00716.13
7.3.280.0130.00316.09
7.3.270.0140.00316.24
7.3.260.0110.00716.23
7.3.250.0080.01116.40
7.3.240.0100.00716.38
7.3.230.0100.00716.16
7.3.210.0140.00216.33
7.3.200.0070.01019.39
7.3.190.0100.00916.32
7.3.180.0000.01716.18
7.3.170.0080.00816.26
7.3.160.0090.00616.02
7.3.120.0070.01014.73
7.2.330.0030.01416.42
7.2.320.0060.01616.30
7.2.310.0100.01816.35
7.2.300.0090.00816.38
7.2.290.0120.01316.23
7.2.60.0080.00416.93
7.2.00.0060.00619.37
7.1.200.0060.00915.73
7.1.100.0000.01117.82
7.1.70.0000.00716.86
7.1.60.0100.01419.31
7.1.50.0100.01016.86
7.1.00.0030.07722.45
7.0.200.0130.00714.92
7.0.140.0070.07022.01
7.0.120.0070.07022.00
7.0.60.0070.07721.69
7.0.50.0000.04317.87
7.0.40.0000.08020.27
7.0.30.0400.08020.09
7.0.20.0200.05020.34
7.0.10.0070.05020.16
7.0.00.0030.07720.31
5.6.280.0000.07721.11
5.6.210.0200.07720.66
5.6.200.0170.07318.08
5.6.190.0100.08020.77
5.6.180.0230.04020.35
5.6.170.0270.06020.50
5.6.160.0030.09020.38
5.6.150.0100.07318.21
5.6.140.0030.08018.16
5.6.130.0000.04318.21
5.6.120.0170.07720.96
5.6.110.0000.07021.00
5.6.100.0100.08020.98
5.6.90.0030.06321.09
5.6.80.0130.05320.27
5.5.350.0000.04020.41
5.5.340.0070.06718.01
5.5.330.0070.08020.20
5.5.320.0270.07720.27
5.5.310.0130.04020.31
5.5.300.0100.08017.96
5.5.290.0100.07717.98
5.5.280.0100.08720.88
5.5.270.0000.04720.87
5.5.260.0130.07720.75
5.5.250.0030.07720.69
5.5.240.0200.06720.03
5.4.450.0070.06719.47
5.4.440.0070.04319.46
5.4.430.0170.07019.49
5.4.420.0200.07019.43
5.4.410.0130.06019.12
5.4.400.0030.06719.08
5.4.390.0000.04019.08
5.4.380.0000.04019.14
5.4.370.0100.04019.14
5.4.360.0170.06719.19
5.4.350.0030.07319.09
5.4.340.0100.06719.18
5.4.320.0070.04019.19
5.4.310.0000.04719.12
5.4.300.0100.07319.15
5.4.290.0070.05018.79
5.4.280.0000.04319.16
5.4.270.0070.05319.18
5.4.260.0030.05019.10
5.4.250.0100.03719.17
5.4.240.0100.05018.91
5.4.230.0030.04318.91
5.4.220.0130.04718.78
5.4.210.0100.07019.08
5.4.200.0000.07718.91
5.4.190.0100.06018.79
5.4.180.0100.06319.16
5.4.170.0000.04018.90
5.4.160.0070.03719.05
5.4.150.0070.08319.13
5.4.140.0070.07316.17
5.4.130.0130.06316.16
5.4.120.0070.07316.32
5.4.110.0130.06016.30
5.4.100.0070.07316.26
5.4.90.0100.07016.15
5.4.80.0030.07016.21
5.4.70.0070.04316.27
5.4.60.0070.04316.37
5.4.50.0070.04316.32
5.4.40.0100.07016.34
5.4.30.0100.06316.38
5.4.20.0000.04016.38
5.4.10.0030.04316.38
5.4.00.0030.03715.79
5.3.290.0000.04714.54
5.3.280.0100.05314.41
5.3.270.0030.04714.52
5.3.260.0130.07714.48
5.3.250.0130.06714.53
5.3.240.0130.06714.53
5.3.230.0130.06714.41
5.3.220.0070.07314.46
5.3.210.0100.06714.35
5.3.200.0070.06314.48
5.3.190.0030.07014.49
5.3.180.0070.04714.38
5.3.170.0000.05014.52
5.3.160.0000.07014.48
5.3.150.0070.06014.48
5.3.140.0030.04714.48
5.3.130.0170.07014.46
5.3.120.0070.07314.49
5.3.110.0000.08314.48
5.3.100.0030.07314.14
5.3.90.0030.06013.80
5.3.80.0070.04313.85
5.3.70.0100.07013.98
5.3.60.0070.07313.82
5.3.50.0030.07713.89
5.3.40.0100.07314.03
5.3.30.0000.04713.72
5.3.20.0100.07313.50
5.3.10.0030.07313.49
5.3.00.0100.07013.46
5.2.170.0030.06311.14
5.2.160.0030.04311.32
5.2.150.0070.04311.02
5.2.140.0100.05011.13
5.2.130.0070.06011.08
5.2.120.0070.05311.08
5.2.110.0070.03711.08
5.2.100.0070.03011.09
5.2.90.0070.06010.99
5.2.80.0000.04311.10
5.2.70.0130.05711.02
5.2.60.0030.06311.20
5.2.50.0070.03710.91
5.2.40.0070.05710.96
5.2.30.0100.04710.91
5.2.20.0100.02710.91
5.2.10.0070.05010.86
5.2.00.0030.06010.70
5.1.60.0000.0609.94
5.1.50.0130.0439.89
5.1.40.0070.0479.93
5.1.30.0070.04310.33
5.1.20.0000.05710.34
5.1.10.0000.0309.90
5.1.00.0030.02710.06
5.0.50.0030.0208.53
5.0.40.0000.0438.47
5.0.30.0030.0408.21
5.0.20.0000.0378.19
5.0.10.0000.0278.30
5.0.00.0070.0338.05
4.4.90.0000.0307.39
4.4.80.0000.0337.39
4.4.70.0000.0377.39
4.4.60.0000.0207.39
4.4.50.0000.0237.39
4.4.40.0030.0537.39
4.4.30.0070.0307.39
4.4.20.0100.0277.39
4.4.10.0000.0177.39
4.4.00.0070.0537.39
4.3.110.0000.0307.39
4.3.100.0070.0237.39
4.3.90.0000.0277.39
4.3.80.0070.0337.39
4.3.70.0000.0377.39
4.3.60.0030.0307.39
4.3.50.0030.0337.39
4.3.40.0000.0537.39
4.3.30.0030.0377.39
4.3.20.0000.0307.39
4.3.10.0000.0277.39
4.3.00.0000.0337.39

preferences:
44.92 ms | 401 KiB | 5 Q