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<?php function callback($buffer) { // replace all the apples with oranges return (str_replace("apples", "oranges", $buffer)); } ob_start("callback"); ?> <html> <body> <p>It's like comparing apples to oranges.</p> </body> </html> <?php ob_end_flush(); function callback2($buffer) { // replace all the apples with oranges return (str_replace("apples", "oranges", $buffer)); } ob_start(''); ?> <html> <body> <p>It's like comparing apples to oranges.</p> </body> </html> <?php ob_end_flush(); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
<html> <body> <p>It's like comparing oranges to oranges.</p> </body> </html> Warning: ob_start(): function "" not found or invalid function name in /in/328am on line 27 Notice: ob_start(): Failed to create buffer in /in/328am on line 27 <html> <body> <p>It's like comparing apples to oranges.</p> </body> </html> Notice: ob_end_flush(): Failed to delete and flush buffer. No buffer to delete or flush in /in/328am on line 37
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
<html> <body> <p>It's like comparing oranges to oranges.</p> </body> </html> Warning: ob_start(): function '' not found or invalid function name in /in/328am on line 27 Notice: ob_start(): failed to create buffer in /in/328am on line 27 <html> <body> <p>It's like comparing apples to oranges.</p> </body> </html> Notice: ob_end_flush(): failed to delete and flush buffer. No buffer to delete or flush in /in/328am on line 37
Output for 7.3.32 - 7.3.33, 7.4.26
<html> <body> <p>It's like comparing oranges to oranges.</p> </body> </html> Warning: ob_start(): function '' not found or invalid function name in /in/328am on line 27 <html> <body> <p>It's like comparing apples to oranges.</p> </body> </html>
Output for 5.3.4 - 5.3.29
<html> <body> <p>It's like comparing oranges to oranges.</p> </body> </html> <html> <body> <p>It's like comparing apples to oranges.</p> </body> </html> Notice: ob_end_flush(): failed to delete and flush buffer. No buffer to delete or flush in /in/328am on line 37
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.3
<html> <body> <p>It's like comparing oranges to oranges.</p> </body> </html> <html> <body> <p>It's like comparing apples to oranges.</p> </body> </html> Notice: ob_end_flush(): failed to delete and flush buffer. No buffer to delete or flush. in /in/328am on line 37
Output for 4.3.0 - 4.3.1
<html> <body> <p>It's like comparing oranges to oranges.</p> </body> </html> <html> <body> <p>It's like comparing apples to oranges.</p> </body> </html>
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149.06 ms | 414 KiB | 5 Q