3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mb_strlen("안녕", "utf-8"); echo strlen("abc");

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)
8.3.40.0170.00318.84
8.3.30.0090.00618.58
8.3.20.0040.00418.41
8.3.10.0050.00318.48
8.3.00.0050.00319.38
8.2.170.0070.00722.96
8.2.160.0030.01218.88
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00019.54
8.2.110.0060.00320.80
8.2.100.0090.00317.68
8.2.90.0040.00419.14
8.2.80.0050.00317.97
8.2.70.0000.00817.37
8.2.60.0090.00017.66
8.2.50.0030.00518.10
8.2.40.0040.00418.22
8.2.30.0090.00017.60
8.2.20.0030.00617.55
8.2.10.0070.00017.47
8.2.00.0000.00717.42
8.1.270.0060.00323.99
8.1.260.0050.00226.35
8.1.250.0030.00528.09
8.1.240.0030.00522.18
8.1.230.0070.00319.25
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0050.00517.23
8.1.190.0000.00917.10
8.1.180.0030.00518.10
8.1.170.0040.00418.50
8.1.160.0030.00318.89
8.1.150.0070.00318.50
8.1.140.0040.00417.33
8.1.130.0040.00419.14
8.1.120.0040.00417.23
8.1.110.0070.00017.33
8.1.100.0040.00417.29
8.1.90.0000.00717.32
8.1.80.0030.00317.26
8.1.70.0030.00317.29
8.1.60.0040.00417.43
8.1.50.0000.00817.41
8.1.40.0070.00017.49
8.1.30.0030.00517.57
8.1.20.0060.00617.57
8.1.10.0000.00717.39
8.1.00.0000.00917.43
8.0.300.0000.00718.77
8.0.290.0060.00316.63
8.0.280.0030.00318.35
8.0.270.0050.00217.12
8.0.260.0030.00316.85
8.0.250.0060.00316.82
8.0.240.0000.00817.00
8.0.230.0050.00316.78
8.0.220.0040.00416.80
8.0.210.0030.00316.80
8.0.200.0070.00016.85
8.0.190.0040.00416.78
8.0.180.0030.00516.74
8.0.170.0040.00416.84
8.0.160.0070.00016.83
8.0.150.0090.00016.71
8.0.140.0000.00716.82
8.0.130.0000.00513.29
8.0.120.0000.00816.75
8.0.110.0080.00016.84
8.0.100.0040.00416.68
8.0.90.0000.00816.79
8.0.80.0030.01316.75
8.0.70.0030.00516.84
8.0.60.0050.00316.59
8.0.50.0030.00616.88
8.0.30.0120.00316.77
8.0.20.0080.01117.11
8.0.10.0000.00716.74
8.0.00.0100.01016.53
7.4.330.0050.00012.81
7.4.320.0030.00316.38
7.4.300.0030.00316.36
7.4.290.0050.00716.35
7.4.280.0040.00516.47
7.4.270.0000.00616.45
7.4.260.0030.00516.42
7.4.250.0040.00416.47
7.4.240.0030.00316.48
7.4.230.0030.00516.47
7.4.220.0070.01116.32
7.4.210.0030.01316.54
7.4.200.0030.00316.35
7.4.190.0000.00816.51
7.4.160.0060.01316.14
7.4.150.0090.00916.20
7.4.140.0040.01417.86
7.4.130.0120.00816.39
7.4.120.0180.00316.33
7.4.110.0070.01016.36
7.4.100.0030.01416.41
7.4.90.0120.00616.54
7.4.80.0050.01119.39
7.4.70.0110.01116.30
7.4.60.0090.00916.38
7.4.50.0070.00016.26
7.4.40.0000.01516.38
7.4.30.0150.00316.47
7.4.00.0100.00715.06
7.3.330.0000.00613.01
7.3.320.0000.00512.97
7.3.310.0030.00316.26
7.3.300.0030.00316.11
7.3.290.0070.00916.12
7.3.280.0100.00316.03
7.3.270.0060.01216.45
7.3.260.0080.01516.45
7.3.240.0080.00816.23
7.3.230.0030.01816.21
7.3.210.0080.00816.13
7.3.200.0100.00716.42
7.3.190.0090.00616.30
7.3.180.0090.00616.11
7.3.170.0060.00916.24
7.3.160.0090.00616.16
7.3.120.0100.00714.85
7.3.10.0070.00716.31
7.3.00.0070.01016.38
7.2.330.0110.01116.57
7.2.320.0080.01216.45
7.2.310.0190.00616.26
7.2.300.0100.00716.49
7.2.290.0040.01316.44
7.2.130.0090.00416.71
7.2.120.0090.00716.48
7.2.110.0100.00616.55
7.2.100.0120.00316.57
7.2.90.0120.00616.55
7.2.80.0100.00816.49
7.2.70.0080.00916.46
7.2.60.0100.00616.78
7.2.50.0030.01016.56
7.2.40.0090.00516.54
7.2.30.0090.00316.63
7.2.20.0070.00716.47
7.2.10.0100.00616.64
7.2.00.0050.00817.53
7.1.250.0060.00515.53
7.1.200.0080.00415.42
7.1.100.0000.01018.07
7.1.70.0030.00917.04
7.1.60.0060.00619.25
7.1.50.0090.00716.93
7.1.00.0030.03322.32
7.0.200.0030.00616.82
7.0.140.0030.07322.10
7.0.120.0070.07022.16
7.0.110.0530.07720.02
7.0.100.0570.08319.82
7.0.90.0600.07319.86
7.0.80.0530.07019.79
7.0.70.0600.06719.96
7.0.60.0530.08019.82
7.0.50.0530.07720.36
7.0.40.0070.08320.28
7.0.30.0030.06720.27
7.0.20.0130.07720.25
7.0.10.0130.07320.03
7.0.00.0000.08720.02
5.6.280.0100.07021.07
5.6.260.0130.07020.53
5.6.250.0070.08020.61
5.6.240.0130.08020.63
5.6.230.0100.07720.48
5.6.220.0100.07720.59
5.6.210.0030.08020.75
5.6.200.0100.07321.13
5.6.190.0070.08720.92
5.6.180.0070.08321.11
5.6.170.0070.08021.26
5.6.160.0030.08020.92
5.6.150.0130.08321.18
5.6.140.0100.07720.94
5.6.130.0070.05021.26
5.6.120.0100.08321.11
5.6.110.0030.06321.25
5.6.100.0130.07020.95
5.6.90.0100.07721.02
5.6.80.0130.07720.43
5.6.70.0070.05020.66
5.6.60.0130.07320.29
5.6.50.0100.04320.43
5.6.40.0100.07720.55
5.6.30.0070.08320.54
5.6.20.0130.07320.48
5.6.10.0100.06720.46
5.6.00.0030.07320.45
5.5.380.0200.07020.22
5.5.370.0100.07320.45
5.5.360.0170.07020.29
5.5.350.0100.08020.34
5.5.340.0100.07720.73
5.5.330.0100.08320.94
5.5.320.0100.07320.90
5.5.310.0100.07320.73
5.5.300.0130.07320.93
5.5.290.0230.04320.88
5.5.280.0130.07320.89
5.5.270.0070.08020.79
5.5.260.0100.08320.79
5.5.250.0100.05720.55
5.5.240.0200.07320.28
5.5.230.0200.06720.27
5.5.220.0070.07720.18
5.5.210.0170.06320.38
5.5.200.0130.07320.33
5.5.190.0100.06720.23
5.5.180.0170.06720.15
5.5.160.0130.06020.25
5.5.150.0130.07720.15
5.5.140.0070.08020.00
5.5.130.0100.07720.36
5.5.120.0100.07320.08
5.5.110.0030.06720.37
5.5.100.0170.03720.13
5.5.90.0170.07020.13
5.5.80.0100.07320.13
5.5.70.0100.07019.98
5.5.60.0100.07320.03
5.5.50.0070.08020.25
5.5.40.0170.07020.05
5.5.30.0300.05020.12
5.5.20.0070.06720.22
5.5.10.0000.08320.01
5.5.00.0230.06720.04
5.4.450.0200.07019.45
5.4.440.0100.07719.44
5.4.430.0030.07719.48
5.4.420.0000.08319.59
5.4.410.0070.08019.36
5.4.400.0030.08019.17
5.4.390.0000.09018.98
5.4.380.0130.07019.17
5.4.370.0000.08018.98
5.4.360.0100.07019.03
5.4.350.0170.06719.05
5.4.340.0070.06319.03
5.4.320.0070.07019.16
5.4.310.0170.06319.18
5.4.300.0100.04318.94
5.4.290.0100.07319.10
5.4.280.0030.08019.07
5.4.270.0000.08719.24
5.4.260.0100.07319.00
5.4.250.0100.06319.02
5.4.240.0070.06319.26
5.4.230.0100.07319.15
5.4.220.0100.06718.98
5.4.210.0070.07318.96
5.4.200.0100.07719.06
5.4.190.0000.06719.00
5.4.180.0070.06719.16
5.4.170.0030.08719.00
5.4.160.0070.07719.00
5.4.150.0070.07319.10
5.4.140.0130.06316.39
5.4.130.0070.04016.28
5.4.120.0000.04716.13
5.4.110.0030.04716.48
5.4.100.0030.05316.39
5.4.90.0000.03716.48
5.4.80.0100.03316.33
5.4.70.0070.03016.34
5.4.60.0000.04016.44
5.4.50.0070.03016.55
5.4.40.0030.03716.52
5.4.30.0000.03716.38
5.4.20.0000.06016.51
5.4.10.0100.06716.37
5.4.00.0030.03315.98
5.3.290.0100.07314.68
5.3.280.0130.06714.61
5.3.270.0070.07714.54
5.3.260.0130.06314.63
5.3.250.0030.07714.54
5.3.240.0130.06014.46
5.3.230.0070.03714.61
5.3.220.0070.04714.56
5.3.210.0030.07014.57
5.3.200.0100.03714.42
5.3.190.0000.04314.39
5.3.180.0130.02714.48
5.3.170.0000.06014.36
5.3.160.0000.03714.50
5.3.150.0070.06014.41
5.3.140.0030.03714.55
5.3.130.0000.04314.40
5.3.120.0030.03714.53
5.3.110.0100.06714.55
5.3.100.0000.07013.89
5.3.90.0000.04713.86
5.3.80.0000.06014.03
5.3.70.0070.05014.08
5.3.60.0000.04714.09
5.3.50.0000.04014.02
5.3.40.0000.05013.96
5.3.30.0030.06313.91
5.3.20.0000.04713.61
5.3.10.0070.04313.57
5.3.00.0000.04313.65
5.2.170.0030.02711.87
5.2.160.0000.03011.87
5.2.150.0070.03711.87
5.2.140.0000.03311.87
5.2.130.0030.02711.87
5.2.120.0030.03011.87
5.2.110.0000.03011.87
5.2.100.0070.02711.87
5.2.90.0030.03011.87
5.2.80.0000.03011.87
5.2.70.0030.06311.87
5.2.60.0000.03011.87
5.2.50.0000.03711.87
5.2.40.0030.02711.87
5.2.30.0030.02711.87
5.2.20.0000.03011.87
5.2.10.0000.05011.87
5.2.00.0000.03311.87
5.1.60.0000.04311.87
5.1.50.0030.02311.87
5.1.40.0030.02311.87
5.1.30.0030.02311.87
5.1.20.0000.03311.87
5.1.10.0030.02311.87
5.1.00.0000.02711.87
5.0.50.0030.01711.87
5.0.40.0070.01311.87
5.0.30.0000.03011.87
5.0.20.0030.04311.87
5.0.10.0030.01711.87
5.0.00.0000.05011.87
4.4.90.0000.01311.87
4.4.80.0030.01711.87
4.4.70.0000.02011.87
4.4.60.0000.02711.87
4.4.50.0000.03311.87
4.4.40.0030.02311.87
4.4.30.0070.01011.87
4.4.20.0000.01711.87
4.4.10.0030.01311.87
4.4.00.0000.02711.87
4.3.110.0000.01711.87
4.3.100.0000.01311.87
4.3.90.0030.02011.87
4.3.80.0030.02311.87
4.3.70.0000.02711.87
4.3.60.0000.02011.87
4.3.50.0030.03311.87
4.3.40.0030.05311.87
4.3.30.0000.03711.87
4.3.20.0000.03711.87
4.3.10.0030.03311.87
4.3.00.0000.03311.87

preferences:
71.22 ms | 400 KiB | 5 Q