3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'goofe eas تان ک'.chr( bindec( '11111100' ) ).'ے عسکری ذرائع کے مطابق بدھ' .chr( bindec( '11011111' ) ); echo mb_substr( $string , 6 , null , 'utf-8' )."\n"; echo mb_substr( $string , 6 , 4 , 'utf-8' )."\n"; echo mb_substr( $string , 6 , -4 )."\n"; echo mb_substr( $string , -4 , null , 'utf-8' )."\n"; echo "After setting internal encoding\n"; mb_internal_encoding( 'utf-8' ); echo mb_substr( $string , 6 )."\n"; echo mb_substr( $string , 6 , 4 )."\n"; echo mb_substr( $string , 6 , -4 )."\n"; echo mb_substr( $string , -4 )."\n"; exit(0);

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)
8.3.60.0030.01618.31
8.3.50.0160.01021.07
8.3.40.0090.01218.67
8.3.30.0110.00420.09
8.3.20.0040.00420.37
8.3.10.0040.00421.04
8.3.00.0000.00723.66
8.2.180.0070.01416.48
8.2.170.0110.00422.96
8.2.160.0100.00320.53
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0020.00526.16
8.2.120.0060.00319.36
8.2.110.0100.00720.62
8.2.100.0040.00817.55
8.2.90.0040.00419.09
8.2.80.0030.00517.97
8.2.70.0100.00017.50
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0000.00918.34
8.2.30.0030.00419.34
8.2.20.0030.00517.86
8.2.10.0050.00317.71
8.2.00.0030.00617.74
8.1.280.0120.00825.92
8.1.270.0000.00922.08
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0000.00823.96
8.1.230.0080.00320.91
8.1.220.0000.00818.77
8.1.210.0080.00019.10
8.1.200.0070.00317.35
8.1.190.0040.00417.53
8.1.180.0080.00018.10
8.1.170.0030.00518.36
8.1.160.0000.00718.82
8.1.150.0000.00718.57
8.1.140.0050.00217.40
8.1.130.0030.00617.46
8.1.120.0040.00417.42
8.1.110.0070.00017.44
8.1.100.0000.00717.50
8.1.90.0040.00417.34
8.1.80.0040.00417.48
8.1.70.0000.00717.42
8.1.60.0000.01017.68
8.1.50.0070.00017.53
8.1.40.0090.00317.62
8.1.30.0000.00717.67
8.1.20.0030.00617.69
8.1.10.0080.00017.62
8.1.00.0040.00417.48
8.0.300.0080.00020.00
8.0.290.0000.00717.18
8.0.280.0070.00018.48
8.0.270.0040.00417.28
8.0.260.0030.00317.00
8.0.250.0080.00017.13
8.0.240.0000.00716.93
8.0.230.0000.00716.92
8.0.220.0000.00717.03
8.0.210.0030.00317.01
8.0.200.0060.00016.93
8.0.190.0030.00517.10
8.0.180.0040.00417.07
8.0.170.0030.00416.93
8.0.160.0030.00316.94
8.0.150.0030.00316.92
8.0.140.0070.00017.01
8.0.130.0050.00013.50
8.0.120.0000.00717.04
8.0.110.0000.00716.82
8.0.100.0040.00416.88
8.0.90.0040.00417.09
8.0.80.0090.00617.07
8.0.70.0040.00417.00
8.0.60.0000.00816.89
8.0.50.0040.00416.99
8.0.30.0120.00617.09
8.0.20.0140.00517.40
8.0.10.0050.00317.07
8.0.00.0080.01216.80
7.4.330.0040.00015.07
7.4.320.0060.00316.53
7.4.300.0060.00016.59
7.4.290.0000.00716.42
7.4.280.0070.00016.41
7.4.270.0030.00316.56
7.4.260.0000.00513.28
7.4.250.0050.00216.50
7.4.240.0040.00416.57
7.4.230.0030.00316.63
7.4.220.0120.00616.55
7.4.210.0060.00916.52
7.4.200.0000.00716.48
7.4.190.0080.00016.31
7.4.160.0190.00316.52
7.4.150.0060.01117.40
7.4.140.0110.00917.86
7.4.130.0100.00816.46
7.4.120.0130.01016.55
7.4.110.0090.00816.62
7.4.100.0040.01416.64
7.4.90.0090.00916.38
7.4.80.0110.00619.39
7.4.70.0150.00516.50
7.4.60.0030.01316.59
7.4.50.0090.00016.20
7.4.40.0070.00722.77
7.4.30.0030.01316.70
7.4.00.0070.01115.02
7.3.330.0060.00013.18
7.3.320.0000.00513.11
7.3.310.0030.00516.27
7.3.300.0040.00416.27
7.3.290.0100.01016.32
7.3.280.0090.00716.34
7.3.270.0160.00917.40
7.3.260.0120.00818.24
7.3.250.0090.01116.35
7.3.240.0190.00716.60
7.3.230.0100.00716.49
7.3.210.0030.01316.47
7.3.200.0070.01319.39
7.3.190.0150.00616.44
7.3.180.0140.00816.36
7.3.170.0040.01116.50
7.3.160.0110.00516.23
7.3.120.0000.01114.82
7.2.330.0100.00716.75
7.2.320.0090.01616.55
7.2.310.0060.01316.78
7.2.300.0120.00916.51
7.2.290.0000.01616.60
7.2.00.0080.00819.54
7.1.100.0030.01318.20
7.1.70.0100.00716.71
7.1.60.0090.00917.34
7.1.50.0200.01416.66
7.1.00.0030.03322.53
7.0.200.0030.01016.88
7.0.140.0030.07322.09
7.0.70.0030.05721.66
7.0.60.0100.07721.73
7.0.50.0100.07722.15
7.0.40.0130.04320.03
7.0.30.0000.07020.07
7.0.20.0130.07720.08
7.0.10.0030.08320.07
7.0.00.0070.05320.18
5.6.280.0000.07320.91
5.6.220.0000.08320.71
5.6.210.0070.07320.56
5.6.200.0130.05320.97
5.6.190.0130.07720.95
5.6.180.0000.06721.01
5.6.170.0070.08721.03
5.6.160.0070.08021.09
5.6.150.0030.04021.18
5.6.140.0030.08020.95
5.6.130.0030.08321.04
5.6.120.0100.04021.04
5.6.110.0000.09021.04
5.6.100.0000.05721.16
5.6.90.0000.08020.95
5.6.80.0130.07320.42
5.6.70.0030.07720.45
5.6.60.0100.07020.33
5.6.50.0070.07320.49
5.6.40.0030.06020.41
5.6.30.0030.07020.38
5.6.20.0100.06320.27
5.6.10.0100.07020.39
5.6.00.0100.07720.41
5.5.360.0030.08720.49
5.5.350.0070.05320.33
5.5.340.0030.07720.89
5.5.330.0000.05720.83
5.5.320.0100.07720.91
5.5.310.0100.07720.84
5.5.300.0030.09020.94
5.5.290.0070.06320.86
5.5.280.0070.06320.73
5.5.270.0030.06020.75
5.5.260.0030.08020.89
5.5.250.0070.07720.45
5.5.240.0100.06320.16
5.5.230.0030.08320.30
5.5.220.0100.06720.24
5.5.210.0030.07020.21
5.5.200.0100.06320.20
5.5.190.0070.06720.27
5.5.180.0030.05720.18
5.5.160.0000.07020.23
5.5.150.0030.05720.21
5.5.140.0070.05720.11
5.5.130.0130.05720.11
5.5.120.0130.06320.22
5.5.110.0070.04320.27
5.5.100.0100.07320.16
5.5.90.0070.07720.01
5.5.80.0030.07720.16
5.5.70.0000.05320.09
5.5.60.0170.03720.00
5.5.50.0000.07720.10
5.5.40.0070.06020.05
5.5.30.0030.08020.05
5.5.20.0000.07720.08
5.5.10.0100.04719.99
5.5.00.0030.06320.02
5.4.450.0070.06719.29
5.4.440.0000.05319.11
5.4.430.0030.07719.39
5.4.420.0000.07319.10
5.4.410.0100.07319.22
5.4.400.0070.05318.82
5.4.390.0070.06319.05
5.4.380.0070.07719.11
5.4.370.0030.06718.96
5.4.360.0030.07719.23
5.4.350.0070.07718.81
5.4.340.0070.07719.03
5.4.320.0100.07018.95
5.4.310.0070.06718.96
5.4.300.0130.06319.03
5.4.290.0100.07019.04
5.4.280.0030.06319.03
5.4.270.0070.06019.06
5.4.260.0070.04719.05
5.4.250.0000.06018.94
5.4.240.0000.08719.11
5.4.230.0030.07719.02
5.4.220.0030.04019.11
5.4.210.0000.05319.11
5.4.200.0070.05319.13
5.4.190.0030.04719.04
5.4.180.0130.04719.04
5.4.170.0000.06718.80
5.4.160.0100.03319.09
5.4.150.0100.07019.09
5.4.140.0030.08016.36
5.4.130.0030.07316.37
5.4.120.0100.06716.36
5.4.110.0070.07716.36
5.4.100.0100.07016.42
5.4.90.0030.07316.22
5.4.80.0030.04716.20
5.4.70.0070.04716.31
5.4.60.0000.04316.30
5.4.50.0000.07316.38
5.4.40.0070.07316.35
5.4.30.0030.07316.28
5.4.20.0000.07716.21
5.4.10.0070.07316.28
5.4.00.0070.07015.84
5.3.290.0000.05714.53
5.3.280.0000.05714.59
5.3.270.0070.07014.47
5.3.260.0000.04014.60
5.3.250.0030.06014.58
5.3.240.0030.06714.52
5.3.230.0070.07014.47
5.3.220.0100.07314.43
5.3.210.0070.07314.57
5.3.200.0000.07714.57
5.3.190.0130.06314.59
5.3.180.0070.07714.53
5.3.170.0000.06714.56
5.3.160.0100.05014.54
5.3.150.0070.06714.39
5.3.140.0000.05714.51
5.3.130.0070.07014.47
5.3.120.0070.07714.39
5.3.110.0030.05714.50
5.3.100.0070.07013.98
5.3.90.0030.06314.02
5.3.80.0070.05714.00
5.3.70.0100.04014.02
5.3.60.0000.07713.98
5.3.50.0070.07313.81
5.3.40.0030.04713.89
5.3.30.0030.05713.77
5.3.20.0030.07313.61
5.3.10.0000.07713.64
5.3.00.0030.07713.51
5.2.170.0070.06012.11
5.2.160.0070.05712.11
5.2.150.0000.06312.11
5.2.140.0030.06312.11
5.2.130.0030.05712.11
5.2.120.0070.05712.11
5.2.110.0100.05312.11
5.2.100.0030.05012.11
5.2.90.0030.05012.11
5.2.80.0000.04312.11
5.2.70.0000.03712.11
5.2.60.0070.05312.11
5.2.50.0030.05712.11
5.2.40.0030.06312.11
5.2.30.0070.06312.11
5.2.20.0070.05712.11
5.2.10.0070.06012.11
5.2.00.0000.05712.11
5.1.60.0000.05712.11
5.1.50.0000.03312.11
5.1.40.0070.04712.11
5.1.30.0030.04012.11
5.1.20.0000.06312.11
5.1.10.0070.05312.11
5.1.00.0030.05712.11
5.0.50.0070.04312.11
5.0.40.0030.03012.11
5.0.30.0030.06312.11
5.0.20.0030.04312.11
5.0.10.0070.03012.11
5.0.00.0030.06312.11
4.4.90.0000.03312.11
4.4.80.0070.03312.11
4.4.70.0000.03712.11
4.4.60.0030.02712.11
4.4.50.0000.03712.11
4.4.40.0070.03712.11
4.4.30.0030.03712.11
4.4.20.0000.02712.11
4.4.10.0000.03712.11
4.4.00.0000.05712.11
4.3.110.0000.02712.11
4.3.100.0000.03712.11
4.3.90.0030.03312.11
4.3.80.0000.05712.11
4.3.70.0030.02712.11
4.3.60.0070.01712.11
4.3.50.0070.03012.11
4.3.40.0030.05312.11
4.3.30.0070.03312.11
4.3.20.0030.03712.11
4.3.10.0030.03712.11
4.3.00.0070.02712.11

preferences:
45.85 ms | 401 KiB | 5 Q