The ob_get_contents() is an inbuilt function in PHP that is used to capture what is currently being buffered by the output buffer. This function returns the output buffer.
Syntax
ob_get_contents(): string | false
Parameter
This function does not accept any parameters.
Return Value
The ob_get_contents() function in PHP returns the contents of the output buffer as a string. If this function does not return any content buffer then it will return false.
Program 1: The following program demonstrates the ob_get_contents() Function.
PHP
<?php ob_start(); echo "This is some text in the output buffer."; $bufferContents = ob_get_contents(); ob_end_clean(); // Output the stored contents echo "Contents of the output buffer: " . $bufferContents; ?> |
Output:
Contents of the output buffer: This is some text in the output buffer.
Program 2: The following program demonstrates the ob_get_contents() Function.
PHP
<?php ob_start(); echo "Today's date is: " . date("Y-m-d"); $bufferContents = ob_get_contents(); ob_end_clean(); $modifiedContents = str_replace("date", "time", $bufferContents); echo $modifiedContents; ?> |
Output:
Today's time is: 2023-07-25
Program 3: The following program demonstrates the ob_get_contents() function.
PHP
<?php ob_start(); // Generate some output in a loop for ($i = 1; $i <= 5; $i++) { echo "Line $i: GEEKS for GEEKS .<br>"; } $bufferContents = ob_get_contents(); ob_end_clean(); // Modify the captured contents $modifiedContents = strtoupper($bufferContents); // Output the modified contents echo $modifiedContents; ?> |
Output:
Reference: https://www.php.net/manual/en/function.ob-get-contents.php
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