3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = "#ffffff"; $hex_r = substr($value, 1, 2); $hex_g = substr($value, 3, 2); $hex_b = substr($value, 5, 2); echo intval($hex_r, 16);

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)
8.3.60.0090.00618.18
8.3.50.0110.00721.15
8.3.40.0150.00318.58
8.3.30.0140.00718.88
8.3.20.0070.00020.20
8.3.10.0040.00421.92
8.3.00.0040.00422.48
8.2.180.0130.00916.50
8.2.170.0100.00322.96
8.2.160.0100.00719.13
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0090.00926.16
8.2.120.0080.00019.23
8.2.110.0080.00019.24
8.2.100.0080.00417.68
8.2.90.0000.00819.22
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0040.00418.04
8.2.50.0080.00418.07
8.2.40.0000.00820.01
8.2.30.0050.00317.87
8.2.20.0000.00717.56
8.2.10.0040.00417.68
8.2.00.0000.00817.67
8.1.280.0040.01425.92
8.1.270.0000.00822.06
8.1.260.0000.00726.35
8.1.250.0050.00328.09
8.1.240.0040.00421.25
8.1.230.0090.00317.52
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.36
8.1.190.0000.00817.10
8.1.180.0040.00418.61
8.1.170.0040.00418.54
8.1.160.0000.00722.06
8.1.150.0070.00018.70
8.1.140.0070.00317.38
8.1.130.0000.00817.88
8.1.120.0030.00317.30
8.1.110.0080.00017.39
8.1.100.0030.00317.28
8.1.90.0040.00417.45
8.1.80.0050.00317.43
8.1.70.0050.00317.34
8.1.60.0030.00617.56
8.1.50.0000.00717.46
8.1.40.0040.00417.46
8.1.30.0050.00317.60
8.1.20.0000.00817.43
8.1.10.0000.00717.49
8.1.00.0040.00417.32
8.0.300.0000.00718.77
8.0.290.0060.00316.75
8.0.280.0070.00018.37
8.0.270.0070.00017.18
8.0.260.0000.00616.87
8.0.250.0000.00716.95
8.0.240.0000.00716.84
8.0.230.0040.00416.92
8.0.220.0030.00316.75
8.0.210.0070.00016.75
8.0.200.0020.00516.88
8.0.190.0040.00416.89
8.0.180.0000.00716.85
8.0.170.0000.00816.74
8.0.160.0040.00416.76
8.0.150.0040.00416.84
8.0.140.0030.00516.71
8.0.130.0000.00613.21
8.0.120.0000.00816.80
8.0.110.0070.00016.68
8.0.100.0000.00816.71
8.0.90.0020.00516.75
8.0.80.0100.00716.83
8.0.70.0070.00016.71
8.0.60.0000.00716.67
8.0.50.0040.00416.85
8.0.30.0140.00516.88
8.0.20.0140.00717.40
8.0.10.0040.00417.00
8.0.00.0130.00716.83
7.4.330.0030.00315.07
7.4.320.0000.00616.42
7.4.300.0030.00316.45
7.4.290.0030.00316.29
7.4.280.0040.00416.48
7.4.270.0070.00016.52
7.4.260.0040.00416.40
7.4.250.0040.00416.41
7.4.240.0000.00716.42
7.4.230.0030.00316.54
7.4.220.0090.01216.42
7.4.210.0090.00816.47
7.4.200.0030.00316.63
7.4.190.0040.00416.33
7.4.160.0100.00716.37
7.4.150.0120.01317.40
7.4.140.0080.00817.86
7.4.130.0070.01216.34
7.4.120.0090.00816.49
7.4.110.0040.01316.48
7.4.100.0070.01016.38
7.4.90.0140.00716.33
7.4.80.0110.01319.39
7.4.70.0090.01116.45
7.4.60.0130.00316.47
7.4.50.0060.00016.42
7.4.40.0080.00822.77
7.4.30.0180.00016.42
7.4.00.0120.00014.81
7.3.330.0030.00313.07
7.3.320.0030.00313.12
7.3.310.0000.00716.14
7.3.300.0040.00416.23
7.3.290.0070.00716.20
7.3.280.0070.01016.18
7.3.270.0060.01017.40
7.3.260.0080.01216.16
7.3.250.0070.01016.42
7.3.240.0100.00616.19
7.3.230.0060.01516.39
7.3.210.0120.00616.24
7.3.200.0140.00319.39
7.3.190.0100.00716.26
7.3.180.0040.01416.31
7.3.170.0060.00916.39
7.3.160.0070.00716.31
7.3.120.0030.01214.73
7.3.10.0130.00616.37
7.3.00.0070.01016.23
7.2.330.0130.01016.70
7.2.320.0090.00916.30
7.2.310.0160.00616.62
7.2.300.0070.01016.32
7.2.290.0060.01016.43
7.2.130.0060.01716.47
7.2.120.0120.00316.47
7.2.110.0110.00716.35
7.2.100.0070.01016.41
7.2.90.0120.00816.30
7.2.80.0120.00616.58
7.2.70.0110.00716.30
7.2.60.0160.01016.33
7.2.50.0090.01216.33
7.2.40.0050.01016.68
7.2.30.0060.00316.50
7.2.20.0230.00016.43
7.2.10.0060.01516.42
7.2.00.0090.00818.02
7.1.250.0260.00015.56
7.1.100.0070.00718.27
7.1.70.0000.00817.16
7.1.60.0070.01719.82
7.1.50.0100.01316.99
7.1.00.0030.08722.27
7.0.200.0040.00416.72
7.0.140.0070.06721.98
7.0.100.0100.04720.03
7.0.90.0030.05319.88
7.0.80.0130.04319.89
7.0.70.0070.08019.85
7.0.60.0100.06719.93
7.0.50.0130.07720.33
7.0.40.0100.04720.11
7.0.30.0070.06020.15
7.0.20.0070.07720.14
7.0.10.0030.06020.10
7.0.00.0100.07720.00
5.6.280.0100.06321.06
5.6.250.0030.08320.53
5.6.240.0070.08020.54
5.6.230.0100.08020.59
5.6.220.0030.06320.59
5.6.210.0130.08720.48
5.6.200.0030.05021.08
5.6.190.0000.05021.11
5.6.180.0030.04320.93
5.6.170.0030.05321.10
5.6.160.0170.07721.11
5.6.150.0030.05721.13
5.6.140.0030.04321.01
5.6.130.0100.07321.01
5.6.120.0000.08021.04
5.6.110.0030.06020.99
5.6.100.0130.06721.05
5.6.90.0170.08021.07
5.6.80.0170.07020.37
5.6.70.0070.08320.32
5.6.60.0070.03720.53
5.6.50.0030.03720.42
5.6.40.0000.08320.31
5.6.30.0000.04720.23
5.6.20.0030.05020.38
5.6.10.0000.05720.51
5.6.00.0170.06320.43
5.5.380.0130.05020.36
5.5.370.0030.04720.50
5.5.360.0170.07320.50
5.5.350.0070.04020.42
5.5.340.0070.04320.79
5.5.330.0130.05720.92
5.5.320.0070.04020.91
5.5.310.0100.07320.85
5.5.300.0070.06320.85
5.5.290.0000.07020.92
5.5.280.0000.09020.68
5.5.270.0100.03320.88
5.5.260.0030.04320.88
5.5.250.0100.07320.60
5.5.240.0000.04020.29
5.5.230.0100.07020.24
5.5.220.0130.04319.97
5.5.210.0130.06720.16
5.5.200.0130.06720.23
5.5.190.0130.05320.21
5.5.180.0030.05020.23
5.5.160.0030.04320.16
5.5.150.0070.07020.11
5.5.140.0070.07720.22
5.5.130.0130.06020.11
5.5.120.0100.04020.25
5.5.110.0070.03719.96
5.5.100.0170.07020.06
5.5.90.0030.03720.09
5.5.80.0070.06720.09
5.5.70.0000.08020.09
5.5.60.0070.06320.14
5.5.50.0100.03020.02
5.5.40.0030.08020.13
5.5.30.0070.07320.04
5.5.20.0070.04320.04
5.5.10.0100.07320.03
5.5.00.0070.07320.06
5.4.450.0070.06719.43
5.4.440.0000.06019.30
5.4.430.0030.04019.46
5.4.420.0170.06019.38
5.4.410.0070.03719.27
5.4.400.0070.08019.07
5.4.390.0030.07718.95
5.4.380.0130.07019.05
5.4.370.0100.07719.14
5.4.360.0070.06318.93
5.4.350.0030.04019.03
5.4.340.0070.04318.79
5.4.320.0100.07018.78
5.4.310.0070.07318.94
5.4.300.0030.07319.09
5.4.290.0000.07719.11
5.4.280.0100.07019.09
5.4.270.0100.06018.98
5.4.260.0130.06719.05
5.4.250.0070.07319.10
5.4.240.0070.05718.92
5.4.230.0070.07718.89
5.4.220.0030.06718.99
5.4.210.0100.07019.22
5.4.200.0100.06718.98
5.4.190.0070.03319.04
5.4.180.0000.03719.05
5.4.170.0030.07319.22
5.4.160.0000.07018.81
5.4.150.0200.06319.20
5.4.140.0030.03316.36
5.4.130.0070.05716.32
5.4.120.0030.03316.36
5.4.110.0100.05016.44
5.4.100.0030.04316.48
5.4.90.0100.06016.25
5.4.80.0070.03316.39
5.4.70.0030.03716.39
5.4.60.0070.07016.18
5.4.50.0030.03316.20
5.4.40.0100.03016.37
5.4.30.0070.04016.39
5.4.20.0100.08016.30
5.4.10.0100.07316.18
5.4.00.0070.04315.80
5.3.290.0130.07314.65
5.3.280.0030.04714.59
5.3.270.0130.06714.60
5.3.260.0030.05314.54
5.3.250.0030.06714.59
5.3.240.0000.03714.51
5.3.230.0070.03014.41
5.3.220.0070.08314.51
5.3.210.0030.05014.58
5.3.200.0030.05314.42
5.3.190.0070.05314.55
5.3.180.0100.03314.38
5.3.170.0000.05314.43
5.3.160.0070.06714.50
5.3.150.0070.05014.42
5.3.140.0070.07314.39
5.3.130.0000.06314.49
5.3.120.0130.07014.40
5.3.110.0030.05314.36
5.3.100.0000.04314.03
5.3.90.0100.06013.96
5.3.80.0100.03014.00
5.3.70.0100.04014.01
5.3.60.0070.06713.95
5.3.50.0130.06013.91
5.3.40.0030.04013.79
5.3.30.0000.07713.82
5.3.20.0070.04013.57
5.3.10.0070.06713.63
5.3.00.0030.06713.40
5.2.170.0070.06312.16
5.2.160.0070.04012.16
5.2.150.0030.06312.16
5.2.140.0000.05312.16
5.2.130.0030.02712.16
5.2.120.0070.05712.16
5.2.110.0070.05012.16
5.2.100.0000.06012.16
5.2.90.0100.05712.16
5.2.80.0000.06712.16
5.2.70.0030.04012.16
5.2.60.0030.06312.16
5.2.50.0030.02712.16
5.2.40.0100.03712.16
5.2.30.0130.02012.16
5.2.20.0030.03012.16
5.2.10.0070.02712.16
5.2.00.0030.03312.16
5.1.60.0030.02712.16
5.1.50.0100.03012.16
5.1.40.0000.03012.16
5.1.30.0100.02712.16
5.1.20.0070.02312.16
5.1.10.0030.02312.16
5.1.00.0070.02312.16
5.0.50.0030.02312.16
5.0.40.0000.02012.16
5.0.30.0000.03012.16
5.0.20.0000.02012.16
5.0.10.0000.02012.16
5.0.00.0000.04012.16
4.4.90.0030.03012.16
4.4.80.0000.03712.16
4.4.70.0000.03712.16
4.4.60.0030.03012.16
4.4.50.0000.02712.16
4.4.40.0130.04312.16
4.4.30.0000.02312.16
4.4.20.0030.01312.16
4.4.10.0030.01712.16
4.4.00.0070.02012.16
4.3.110.0000.02012.16
4.3.100.0000.01712.16
4.3.90.0000.01712.16
4.3.80.0000.02312.16
4.3.70.0000.01312.16
4.3.60.0030.01312.16
4.3.50.0030.01312.16
4.3.40.0070.02312.16
4.3.30.0030.01312.16
4.3.20.0030.01312.16
4.3.10.0000.01712.16
4.3.00.0000.01712.16

preferences:
44.76 ms | 400 KiB | 5 Q