3v4l.org

run code in 500+ PHP versions simultaneously
<?php function my_cb( $a ) { return $a; } ob_start( 'my_cb', 0 ); ob_start( 'my_cb', 1 ); ob_start( 'my_cb', 2 ); $status = ob_get_status( true ); var_dump( array_combine( array_column( $status, 'chunk_size' ), array_column( $status, 'buffer_size' ) ) );

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)
8.5.30.0100.00719.61
8.5.20.0110.00620.11
8.5.10.0130.00519.48
8.5.00.0100.01219.71
8.4.180.0110.01119.47
8.4.170.0100.01123.73
8.4.160.0140.00623.90
8.4.150.0090.00316.78
8.4.140.0160.01017.71
8.4.130.0070.01017.68
8.4.120.0130.00720.33
8.4.110.0110.01022.37
8.4.100.0130.01217.65
8.4.90.0120.00818.77
8.4.80.0140.00417.88
8.4.70.0110.01017.53
8.4.60.0140.00618.70
8.4.50.0060.00517.68
8.4.40.0090.01217.25
8.4.30.0060.01224.22
8.4.20.0190.00319.50
8.4.10.0090.00619.31
8.3.300.0150.00420.61
8.3.290.0110.00918.33
8.3.280.0120.00718.41
8.3.270.0140.00516.51
8.3.260.0040.01216.55
8.3.250.0050.00318.88
8.3.240.0110.00916.55
8.3.230.0140.00516.58
8.3.220.0100.00517.09
8.3.210.0130.00416.59
8.3.200.0080.00516.36
8.3.190.0050.00317.17
8.3.180.0060.00316.55
8.3.170.0040.01417.30
8.3.160.0000.01920.55
8.3.150.0080.00017.20
8.3.140.0030.00916.39
8.3.130.0050.00316.33
8.3.120.0340.01016.20
8.3.110.0280.01416.45
8.3.100.0310.01416.36
8.3.90.0310.00916.18
8.3.80.0380.00716.09
8.3.70.0260.01616.50
8.3.60.0360.01016.61
8.3.50.0470.00316.19
8.3.40.0270.01217.05
8.3.30.0280.00317.13
8.3.20.0270.00717.14
8.3.10.0270.01017.17
8.3.00.0220.00619.01
8.2.300.0120.00818.68
8.2.290.0110.00720.53
8.2.280.0120.00718.13
8.2.270.0000.01116.45
8.2.260.0090.00917.13
8.2.250.0050.00216.61
8.2.240.0330.00616.50
8.2.230.0310.00916.34
8.2.220.0270.01416.29
8.2.210.0330.00716.29
8.2.200.0290.01116.28
8.2.190.0340.00716.02
8.2.180.0150.00416.31
8.2.170.0130.00617.38
8.2.160.0140.00517.35
8.2.150.0160.00417.42
8.2.140.0260.00517.36
8.2.130.0270.01417.08
8.2.120.0340.00917.24
8.2.110.0410.01017.23
8.2.100.0430.00717.31
8.2.90.0350.00617.50
8.2.80.0320.00917.48
8.2.70.0380.00317.42
8.2.60.0400.00017.18
8.2.50.0330.00717.23
8.2.40.0280.01417.03
8.2.30.0280.01217.40
8.2.20.0410.00717.13
8.2.10.0310.01017.31
8.2.00.0380.00616.95
8.1.340.0150.00517.32
8.1.330.0110.00821.89
8.1.320.0140.00516.23
8.1.310.0060.00616.66
8.1.300.0180.00415.98
8.1.290.0290.00316.15
8.1.280.0190.00415.70
8.1.270.0250.00617.10
8.1.260.0260.01617.26
8.1.250.0340.00417.08
8.1.240.0270.00717.22
8.1.230.0250.00917.21
8.1.220.0310.00317.28
8.1.210.0220.01517.14
8.1.200.0370.00016.99
8.1.190.0320.00417.23
8.1.180.0260.01117.01
8.1.170.0260.01117.21
8.1.160.0290.00717.14
8.1.150.0370.00017.16
8.1.140.0310.00817.13
8.1.130.0270.01217.05
8.1.120.0280.00917.03
8.1.110.0260.01017.00
8.1.100.0330.00316.82
8.1.90.0270.00917.20
8.1.80.0330.00317.14
8.1.70.0230.01317.21
8.1.60.0380.00417.23
8.1.50.0310.00617.14
8.1.40.0470.00017.18
8.1.30.0480.00317.05
8.1.20.0330.00717.45
8.1.10.0240.01717.23
8.1.00.0410.00017.10

preferences:
44.04 ms | 985 KiB | 5 Q