3v4l.org

run code in 300+ PHP versions simultaneously
<?php #var_dump( @iconv_strlen("\xc3\x28", "UTF-8")); #var_dump( extension_loaded('iconv')); var_dump(preg_match('##u', "\xc3\x28")); #echo mb_strlen("\xc3\x28", "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)
8.3.60.0000.01416.50
8.3.50.0160.00922.92
8.3.40.0150.00018.63
8.3.30.0060.00818.93
8.3.20.0040.00420.34
8.3.10.0000.00723.70
8.3.00.0000.00817.63
8.2.180.0110.00418.54
8.2.170.0090.00622.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0110.00426.16
8.2.120.0040.00420.89
8.2.110.0040.00422.12
8.2.100.0070.00417.91
8.2.90.0000.00719.15
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0040.00417.79
8.2.50.0030.00618.07
8.2.40.0000.00819.88
8.2.30.0070.00317.95
8.2.20.0040.00417.65
8.2.10.0000.00717.93
8.2.00.0000.00717.70
8.1.280.0060.01025.92
8.1.270.0050.00322.14
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0110.00023.73
8.1.230.0090.00321.03
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0060.00318.61
8.1.160.0030.00621.96
8.1.150.0000.00818.66
8.1.140.0030.00617.47
8.1.130.0030.00317.70
8.1.120.0050.00217.48
8.1.110.0000.00817.45
8.1.100.0000.00717.54
8.1.90.0060.00317.50
8.1.80.0040.00417.49
8.1.70.0030.00317.38
8.1.60.0000.00817.61
8.1.50.0040.00417.43
8.1.40.0060.00317.52
8.1.30.0000.00817.65
8.1.20.0000.00717.66
8.1.10.0040.00417.54
8.1.00.0040.00417.48
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0040.00418.21
8.0.270.0030.00317.15
8.0.260.0030.00317.14
8.0.250.0070.00017.04
8.0.240.0040.00416.95
8.0.230.0040.00416.90
8.0.220.0030.00316.99
8.0.210.0000.00816.98
8.0.200.0030.00317.04
8.0.190.0040.00417.00
8.0.180.0040.00416.91
8.0.170.0040.00417.00
8.0.160.0000.00717.08
8.0.150.0000.00716.84
8.0.140.0000.00816.82
8.0.130.0030.00313.36
8.0.120.0040.00417.02
8.0.110.0070.00016.96
8.0.100.0040.00417.09
8.0.90.0030.00316.94
8.0.80.0040.01116.90
8.0.70.0080.00016.91
8.0.60.0020.00516.84
8.0.50.0040.00417.03
8.0.30.0150.00616.96
8.0.20.0100.01017.40
8.0.10.0000.00717.09
8.0.00.0050.01416.84
7.4.330.0000.00515.00
7.4.320.0000.00616.63
7.4.300.0060.00016.43
7.4.290.0000.00816.52
7.4.280.0000.00716.68
7.4.270.0030.00316.57
7.4.260.0040.00416.46
7.4.250.0000.00816.57
7.4.240.0030.00316.66
7.4.230.0040.00416.56
7.4.220.0070.01016.72
7.4.210.0070.00716.71
7.4.200.0070.00016.56
7.4.160.0120.00816.53
7.4.150.0070.01017.40
7.4.140.0100.00717.86
7.4.130.0160.00416.54
7.4.120.0120.00416.50
7.4.110.0100.01016.45
7.4.100.0030.01616.52
7.4.90.0030.01416.54
7.4.80.0060.01219.39
7.4.70.0100.00716.44
7.4.60.0090.00916.60
7.4.50.0040.00416.65
7.4.40.0110.01416.51
7.4.30.0110.00416.70
7.4.00.0060.01014.94
7.3.330.0030.00313.20
7.3.320.0000.00513.20
7.3.310.0000.00816.41
7.3.300.0030.00316.30
7.3.290.0110.00516.39
7.3.280.0080.00816.36
7.3.270.0070.01017.40
7.3.260.0120.00416.30
7.3.250.0080.00816.43
7.3.240.0040.01216.64
7.3.230.0170.00016.43
7.3.210.0060.01116.68
7.3.200.0080.00819.39
7.3.190.0110.00616.16
7.3.180.0100.00516.75
7.3.170.0130.01016.55
7.3.160.0060.01316.62
7.3.120.0090.00914.55
7.3.110.0040.00814.60
7.3.100.0030.01014.84
7.3.90.0060.00614.91
7.3.80.0100.00715.04
7.3.70.0060.00914.64
7.3.60.0120.00414.77
7.3.50.0060.00914.71
7.3.40.0000.00914.85
7.3.30.0130.00314.91
7.3.20.0000.01916.80
7.3.10.0030.01316.32
7.3.00.0070.00516.57
7.2.330.0100.00716.56
7.2.320.0070.01116.47
7.2.310.0120.00316.56
7.2.300.0120.00616.57
7.2.290.0090.00616.33
7.2.250.0060.01214.96
7.2.240.0060.01314.70
7.2.230.0030.01014.91
7.2.220.0100.00614.95
7.2.210.0040.01415.08
7.2.200.0060.00614.55
7.2.190.0110.00715.10
7.2.180.0100.00715.02
7.2.170.0060.00614.90
7.2.130.0090.00416.50
7.2.120.0170.00016.61
7.2.110.0150.00916.45
7.2.100.0150.00416.54
7.2.90.0260.00616.66
7.2.80.0150.00616.56
7.2.70.0230.01016.66
7.2.60.0030.01816.99
7.2.50.0170.01016.91
7.2.40.0070.01616.71
7.2.30.0140.01016.63
7.2.20.0100.01316.79
7.2.10.0030.01416.60
7.2.00.0080.00717.98
7.1.330.0060.01015.93
7.1.320.0030.01015.80
7.1.310.0060.00915.84
7.1.300.0070.00715.84
7.1.290.0090.00315.91
7.1.280.0000.01715.70
7.1.270.0030.01515.79
7.1.260.0090.00615.72
7.1.250.0120.00615.57
7.1.100.0150.00916.54
7.1.70.0000.00717.03
7.1.60.0100.01619.40
7.1.50.0120.00817.00
7.1.00.0070.07322.32
7.0.200.0140.00714.91
7.0.140.0070.07322.01
7.0.60.0100.06319.81
7.0.50.0130.07317.89
7.0.40.0100.05320.00
7.0.30.0270.07320.01
7.0.20.0300.07720.01
7.0.10.0070.07020.13
7.0.00.0130.08020.13
5.6.280.0030.07320.98
5.6.210.0100.06020.69
5.6.200.0030.05718.23
5.6.190.0070.08320.41
5.6.180.0200.04020.41
5.6.170.0370.06720.50
5.6.160.0100.08320.48
5.6.150.0130.05018.18
5.6.140.0030.08318.10
5.6.130.0100.03718.15
5.6.120.0100.08320.99
5.6.110.0000.09021.13
5.6.100.0170.07321.13
5.6.90.0100.07721.00
5.6.80.0100.07320.41
5.5.350.3930.04720.47
5.5.340.0030.04018.00
5.5.330.0030.06020.36
5.5.320.0130.04720.18
5.5.310.0500.06320.41
5.5.300.0100.07717.99
5.5.290.0030.04017.91
5.5.280.0070.08720.64
5.5.270.0100.08320.83
5.5.260.0030.08320.74
5.5.250.0100.03320.68
5.5.240.0070.07720.03
5.4.450.0030.06019.14
5.4.440.0530.06019.41
5.4.430.0670.05019.25
5.4.420.0700.05019.20
5.4.410.0800.05319.48
5.4.400.0730.06319.18
5.4.390.0730.05318.93
5.4.380.0170.05318.48
5.4.370.0030.04018.74
5.4.360.0100.04718.73
5.4.350.0130.07011.97
5.4.340.0110.04711.97
5.4.320.0030.03912.45
5.4.310.0060.03712.45
5.4.300.0110.03912.45
5.4.290.0090.03512.45
5.4.280.0060.03712.35
5.4.270.0070.03512.35
5.4.260.0090.03812.34
5.4.250.0080.03512.34
5.4.240.0060.03512.34
5.4.230.0060.03712.34
5.4.220.0070.03512.34
5.4.210.0090.03212.34
5.4.200.0050.03712.34
5.4.190.0030.03812.34
5.4.180.0110.04212.34
5.4.170.0050.03812.34
5.4.160.0080.04612.34
5.4.150.0070.04112.34
5.4.140.0030.04012.02
5.4.130.0090.04012.01
5.4.120.0090.04811.96
5.4.110.0070.03511.96
5.4.100.0060.03911.96
5.4.90.0020.03911.96
5.4.80.0060.03711.96
5.4.70.0070.04211.96
5.4.60.0070.03311.96
5.4.50.0040.03611.96
5.4.40.0050.03511.95
5.4.30.0050.03611.95
5.4.20.0070.03411.95
5.4.10.0080.03411.95
5.4.00.0070.03511.44
5.3.290.0070.03812.80
5.3.280.0060.04512.71
5.3.270.0100.05012.72
5.3.260.0110.04812.72
5.3.250.0060.03812.72
5.3.240.0060.03712.72
5.3.230.0040.03912.70
5.3.220.0070.03512.68
5.3.210.0070.03812.68
5.3.200.0020.04012.68
5.3.190.0050.03912.68
5.3.180.0060.03712.67
5.3.170.0070.03612.67
5.3.160.0040.03912.67
5.3.150.0070.03712.67
5.3.140.0070.03512.66
5.3.130.0170.04812.66
5.3.120.0110.05312.66
5.3.110.0080.04912.66
5.3.100.0100.04312.12
5.3.90.0180.03812.08
5.3.80.0030.04512.08
5.3.70.0090.03112.07
5.3.60.0070.03412.06
5.3.50.0100.03012.00
5.3.40.0060.03512.00
5.3.30.0040.03811.94
5.3.20.0080.03211.72
5.3.10.0080.03211.69
5.3.00.0110.03111.67
5.2.170.0030.0329.18
5.2.160.0040.0309.17
5.2.150.0060.0309.17
5.2.140.0060.0309.17
5.2.130.0040.0299.14
5.2.120.0090.0249.13
5.2.110.0070.0279.14
5.2.100.0060.0279.13
5.2.90.0050.0299.13
5.2.80.0050.0319.13
5.2.70.0060.0309.13
5.2.60.0080.0269.09
5.2.50.0040.0369.05
5.2.40.0050.0289.03
5.2.30.0050.0339.01
5.2.20.0040.0299.00
5.2.10.0040.0298.91
5.2.00.0030.0308.77
5.1.60.0020.0268.05
5.1.50.0040.0248.06
5.1.40.0060.0228.04
5.1.30.0030.0278.39
5.1.20.0040.0278.41
5.1.10.0060.0238.13
5.1.00.0050.0248.14
5.0.50.0060.0186.61
5.0.40.0030.0196.47
5.0.30.0040.0306.28
5.0.20.0010.0216.25
5.0.10.0040.0186.23
5.0.00.0040.0296.23
4.4.90.0020.0154.78
4.4.80.0010.0164.76
4.4.70.0030.0154.75
4.4.60.0040.0144.76
4.4.50.0020.0164.77
4.4.40.0030.0244.71
4.4.30.0040.0134.76
4.4.20.0030.0154.84
4.4.10.0010.0164.85
4.4.00.0010.0264.76
4.3.110.0030.0144.67
4.3.100.0030.0144.66
4.3.90.0020.0154.63
4.3.80.0020.0244.59
4.3.70.0040.0134.63
4.3.60.0050.0124.63
4.3.50.0010.0174.63
4.3.40.0030.0234.54
4.3.30.0010.0173.28
4.3.20.0020.0153.26
4.3.10.0010.0163.22
4.3.00.0170.0208.45

preferences:
42.85 ms | 401 KiB | 5 Q