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php

    1: --TEST--
    2: Test basic functionality of flush()
    3: --FILE--
    4: <?php
    5: /* 
    6:  * proto void flush(void)
    7:  * Function is implemented in ext/standard/basic_functions.c.
    8:  */
    9:   
   10: // Verify return type
   11: var_dump(flush());
   12: 
   13: // Ensure user buffers are not flushed by flush()
   14: ob_start();
   15: echo "Inside a user buffer\n";
   16: flush();
   17: ob_end_clean();
   18: 
   19: echo "Outside of any user buffers\n";
   20: var_dump(flush());
   21: 
   22: ?>
   23: --EXPECT--
   24: NULL
   25: Outside of any user buffers
   26: NULL