3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fwrite_with_retry($sock, &$data) { $bytes_to_write = strlen($data); $bytes_written = 0; while ( $bytes_written < $bytes_to_write ) { if ( $bytes_written == 0 ) { $rv = fwrite($sock, $data); } else { $rv = fwrite($sock, substr($data, $bytes_written)); } if ( $rv === false || $rv == 0 ) return( $bytes_written == 0 ? false : $bytes_written ); $bytes_written += $rv; } return $bytes_written; }

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)
8.3.60.0100.01018.48
8.3.50.0090.00821.90
8.3.40.0070.00718.59
8.3.30.0070.00718.99
8.3.20.0040.00420.39
8.3.10.0040.00421.95
8.3.00.0080.00017.54
8.2.180.0140.00416.32
8.2.170.0120.00322.96
8.2.160.0000.01418.71
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00421.04
8.2.110.0030.00619.27
8.2.100.0120.00017.59
8.2.90.0000.00818.96
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0000.00817.91
8.2.50.0040.00418.10
8.2.40.0070.00020.45
8.2.30.0070.00417.88
8.2.20.0050.00317.55
8.2.10.0050.00317.84
8.2.00.0050.00317.54
8.1.280.0130.00325.92
8.1.270.0090.00023.87
8.1.260.0070.00026.35
8.1.250.0060.01028.09
8.1.240.0060.00319.01
8.1.230.0040.00717.42
8.1.220.0050.00517.74
8.1.210.0030.00618.77
8.1.200.0030.00717.22
8.1.190.0090.00017.40
8.1.180.0050.00318.10
8.1.170.0060.00318.59
8.1.160.0000.00722.20
8.1.150.0050.00218.71
8.1.140.0030.00517.26
8.1.130.0000.00717.63
8.1.120.0000.00817.23
8.1.110.0030.00517.34
8.1.100.0000.00717.29
8.1.90.0000.01117.19
8.1.80.0000.00717.25
8.1.70.0040.00417.29
8.1.60.0000.00917.35
8.1.50.0040.00417.30
8.1.40.0030.00517.46
8.1.30.0040.00417.58
8.1.20.0040.00417.44
8.1.10.0040.00417.39
8.1.00.0050.00317.18
8.0.300.0030.00618.77
8.0.290.0000.00716.63
8.0.280.0000.00718.31
8.0.270.0030.00317.09
8.0.260.0070.00017.05
8.0.250.0070.00016.71
8.0.240.0040.00416.74
8.0.230.0030.00316.79
8.0.220.0030.00316.61
8.0.210.0030.00316.63
8.0.200.0030.00316.84
8.0.190.0040.00416.81
8.0.180.0040.00416.79
8.0.170.0000.00716.71
8.0.160.0080.00016.64
8.0.150.0030.00516.69
8.0.140.0000.00716.59
8.0.130.0000.00513.16
8.0.120.0080.00016.62
8.0.110.0000.00816.83
8.0.100.0030.00416.65
8.0.90.0070.00016.82
8.0.80.0030.01516.72
8.0.70.0000.00816.73
8.0.60.0000.00716.75
8.0.50.0070.00016.63
8.0.30.0150.00717.07
8.0.20.0140.00517.40
8.0.10.0000.00716.84
8.0.00.0140.00416.54
7.4.330.0020.00415.00
7.4.320.0070.00016.40
7.4.300.0030.00316.38
7.4.290.0080.00016.52
7.4.280.0040.00416.36
7.4.270.0030.00316.37
7.4.260.0030.00316.41
7.4.250.0040.00416.26
7.4.240.0030.00416.46
7.4.230.0000.00716.50
7.4.220.0130.00416.41
7.4.210.0090.01216.39
7.4.200.0030.00316.39
7.4.160.0130.00716.14
7.4.150.0100.01017.40
7.4.140.0110.00917.86
7.4.130.0090.00916.41
7.4.120.0100.00616.36
7.4.110.0220.02916.50
7.4.100.0130.00716.38
7.4.90.0080.00816.49
7.4.80.0090.01219.39
7.4.70.0060.00916.34
7.4.60.0090.00916.54
7.4.50.0000.00816.01
7.4.40.0060.01716.31
7.4.30.0080.00816.33
7.4.00.0080.00814.91
7.3.330.0000.00513.07
7.3.320.0000.00613.21
7.3.310.0020.00516.05
7.3.300.0000.00716.22
7.3.290.0040.01116.20
7.3.280.0070.01116.17
7.3.270.0090.01517.40
7.3.260.0120.00616.15
7.3.250.0100.00716.26
7.3.240.0150.00316.23
7.3.230.0100.00716.45
7.3.210.0140.00616.13
7.3.200.0070.01019.39
7.3.190.0150.00316.39
7.3.180.0000.01616.31
7.3.170.0040.01216.40
7.3.160.0090.00616.29
7.3.120.0030.01314.89
7.3.110.0070.01014.55
7.3.100.0060.00914.90
7.3.90.0090.00014.80
7.3.80.0060.00914.53
7.3.70.0180.00014.77
7.3.60.0000.00814.36
7.3.50.0040.01114.68
7.3.40.0090.00314.46
7.3.30.0040.01114.64
7.3.20.0090.00616.47
7.3.10.0000.01516.38
7.3.00.0040.01516.22
7.2.330.0120.00616.51
7.2.320.0110.01116.48
7.2.310.0130.00316.51
7.2.300.0160.00016.30
7.2.290.0130.00316.38
7.2.250.0040.01514.71
7.2.240.0110.00714.55
7.2.230.0060.00914.86
7.2.220.0090.00314.56
7.2.210.0030.01014.71
7.2.200.0090.00914.70
7.2.190.0090.00314.96
7.2.180.0070.00414.80
7.2.170.0000.01714.88
7.1.330.0030.01215.60
7.1.320.0030.00815.52
7.1.310.0090.00015.66
7.1.300.0030.01015.38
7.1.290.0040.00815.73
7.1.280.0000.00915.69
7.1.270.0080.00515.67
7.1.260.0030.01315.64
7.1.70.0000.00716.93
7.1.60.0000.02419.25
7.1.50.0030.01716.51
7.1.00.0030.07722.44
7.0.200.0000.00716.67
7.0.140.0100.06722.05
7.0.60.0100.05319.89
7.0.50.0100.08017.90
7.0.40.0030.05020.02
7.0.30.0470.05320.07
7.0.20.0230.05320.23
7.0.10.0130.04020.10
7.0.00.0000.05020.24
5.6.280.0000.07721.05
5.6.210.0130.05720.61
5.6.200.0000.04318.18
5.6.190.0100.08320.63
5.6.180.0230.06020.58
5.6.170.0170.09020.44
5.6.160.0100.08020.46
5.6.150.0170.07018.18
5.6.140.0030.04018.16
5.6.130.0030.04318.23
5.6.120.0170.08320.97
5.6.110.0100.08320.99
5.6.100.0100.04021.12
5.6.90.0030.04021.10
5.6.80.0070.04020.39
5.5.350.0370.06320.43
5.5.340.0030.05017.97
5.5.330.0100.08320.21
5.5.320.0300.05720.52
5.5.310.0130.04720.23
5.5.300.0100.03718.07
5.5.290.0000.04318.00
5.5.280.0130.07320.96
5.5.270.0000.04320.89
5.5.260.0070.03720.87
5.5.250.0100.07320.50
5.5.240.0100.03320.16
5.4.450.0230.04019.20
5.4.440.0230.05019.24
5.4.430.0400.04319.45
5.4.420.0270.05019.32
5.4.410.0470.04019.15
5.4.400.0270.03318.98
5.4.390.0100.04019.09
5.4.380.0500.05318.76
5.4.370.0330.06018.62
5.4.360.0330.05718.50
5.4.350.0330.05318.71
5.4.340.0270.06718.79
5.4.320.0070.03512.50
5.4.310.0090.04712.50
5.4.300.0080.04112.50
5.4.290.0060.03912.50
5.4.280.0050.03812.39
5.4.270.0090.04612.40
5.4.260.0050.04312.40
5.4.250.0120.03512.40
5.4.240.0030.04112.40
5.4.230.0050.04012.39
5.4.220.0070.03712.39
5.4.210.0040.03912.39
5.4.200.0070.03612.39
5.4.190.0060.03612.39
5.4.180.0010.04112.39
5.4.170.0060.03612.40
5.4.160.0060.03912.39
5.4.150.0060.03812.39
5.4.140.0090.04912.07
5.4.130.0090.03812.06
5.4.120.0110.04612.02
5.4.110.0010.04712.02
5.4.100.0080.04812.01
5.4.90.0070.05112.01
5.4.80.0020.04112.01
5.4.70.0080.03212.01
5.4.60.0060.03412.01
5.4.50.0030.03712.01
5.4.40.0080.03212.00
5.4.30.0060.03512.00
5.4.20.0050.03611.99
5.4.10.0050.03512.00
5.4.00.0050.04511.48
5.3.290.0060.04212.80
5.3.280.0030.04212.70
5.3.270.0070.03812.73
5.3.260.0030.04112.72
5.3.250.0050.03812.71
5.3.240.0060.03812.72
5.3.230.0070.03612.71
5.3.220.0040.04012.68
5.3.210.0040.04112.68
5.3.200.0120.03412.68
5.3.190.0120.04212.68
5.3.180.0070.03612.68
5.3.170.0100.03912.67
5.3.160.0080.03412.67
5.3.150.0050.03812.67
5.3.140.0040.04012.66
5.3.130.0050.03912.66
5.3.120.0060.04112.65
5.3.110.0070.03712.66
5.3.100.0050.03812.12
5.3.90.0070.03512.10
5.3.80.0070.03512.09
5.3.70.0040.03812.09
5.3.60.0060.04212.08
5.3.50.0060.03512.02
5.3.40.0060.03612.02
5.3.30.0050.03511.98
5.3.20.0080.04011.76
5.3.10.0040.03611.73
5.3.00.0060.03511.71
5.2.170.0040.0309.21
5.2.160.0050.0289.21
5.2.150.0050.0309.21
5.2.140.0050.0309.21
5.2.130.0050.0299.17
5.2.120.0050.0289.16
5.2.110.0070.0319.18
5.2.100.0040.0309.18
5.2.90.0080.0319.18
5.2.80.0040.0319.17
5.2.70.0090.0269.17
5.2.60.0030.0329.13
5.2.50.0050.0309.09
5.2.40.0040.0329.07
5.2.30.0060.0299.05
5.2.20.0020.0319.04
5.2.10.0070.0268.94
5.2.00.0030.0328.80
5.1.60.0030.0268.09
5.1.50.0030.0268.08
5.1.40.0050.0238.06
5.1.30.0070.0228.41
5.1.20.0040.0278.43
5.1.10.0050.0258.16
5.1.00.0010.0288.16
5.0.50.0040.0206.64
5.0.40.0010.0226.49
5.0.30.0030.0326.31
5.0.20.0030.0206.28
5.0.10.0040.0256.25
5.0.00.0050.0356.25
4.4.90.0030.0184.78
4.4.80.0020.0154.76
4.4.70.0010.0174.76
4.4.60.0010.0174.76
4.4.50.0030.0154.77
4.4.40.0030.0254.71
4.4.30.0020.0164.76
4.4.20.0030.0164.85
4.4.10.0040.0144.85
4.4.00.0040.0244.76
4.3.110.0030.0164.66
4.3.100.0060.0164.66
4.3.90.0050.0194.63
4.3.80.0030.0324.58
4.3.70.0010.0224.63
4.3.60.0020.0214.63
4.3.50.0030.0214.62
4.3.40.0030.0304.53
4.3.30.0000.0183.30
4.3.20.0020.0183.27
4.3.10.0030.0143.24
4.3.00.0070.01015.27

preferences:
60.23 ms | 401 KiB | 5 Q