ini_restore(3) [php man page]

INI_RESTORE(3)								 1							    INI_RESTORE(3)

ini_restore - Restores the value of a configuration option

SYNOPSIS

       void ini_restore (string  $varname)

DESCRIPTION

	Restores a given configuration option to its original value.

PARAMETERS

	      o $varname
		- The configuration option name.

RETURN VALUES

	No value is returned.

EXAMPLES

       Example #1

	      ini_restore(3) example

	      <?php
	      $setting = 'y2k_compliance';

	      echo 'Current value for '' . $setting . '': ' . ini_get($setting), PHP_EOL;

	      ini_set($setting, ini_get($setting) ? 0 : 1);
	      echo 'New value for '' . $setting . '': ' . ini_get($setting), PHP_EOL;

	      ini_restore($setting);
	      echo 'Original value for '' . $setting . '': ' . ini_get($setting), PHP_EOL;
	      ?>

	      The above example will output:

	      Current value for 'y2k_compliance': 1
	      New value for 'y2k_compliance': 0
	      Original value for 'y2k_compliance': 1

SEE ALSO

       ini_get(3), ini_get_all(3), ini_set(3).

PHP Documentation Group 													    INI_RESTORE(3)

APC_CAS(3)								 1								APC_CAS(3)

apc_cas - Updates an old value with a new value

SYNOPSIS

       bool apc_cas (string  $key, int	$old, int  $new)

DESCRIPTION

       apc_cas(3)  updates  an	already existing integer value if the $old parameter matches the currently stored value with the value of the $new
       parameter.

PARAMETERS

	      o $key
		- The key of the value being updated.

	      o $old
		- The old value (the value currently stored).

	      o $new
		- The new value to update to.

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

EXAMPLES

       Example #1

	      apc_cas(3) example

	      <?php
	      apc_store('foobar', 2);
	      echo '$foobar = 2', PHP_EOL;
	      echo '$foobar == 1 ? 2 : 1 = ', (apc_cas('foobar', 1, 2) ? 'ok' : 'fail'), PHP_EOL;
	      echo '$foobar == 2 ? 1 : 2 = ', (apc_cas('foobar', 2, 1) ? 'ok' : 'fail'), PHP_EOL;

	      echo '$foobar = ', apc_fetch('foobar'), PHP_EOL;

	      echo '$f__bar == 1 ? 2 : 1 = ', (apc_cas('f__bar', 1, 2) ? 'ok' : 'fail'), PHP_EOL;

	      apc_store('perfection', 'xyz');
	      echo '$perfection == 2 ? 1 : 2 = ', (apc_cas('perfection', 2, 1) ? 'ok' : 'epic fail'), PHP_EOL;

	      echo '$foobar = ', apc_fetch('foobar'), PHP_EOL;
	      ?>

	      The above example will output something similar to:

	      $foobar = 2
	      $foobar == 1 ? 2 : 1 = fail
	      $foobar == 2 ? 1 : 2 = ok
	      $foobar = 1
	      $f__bar == 1 ? 2 : 1 = fail
	      $perfection == 2 ? 1 : 2 = epic fail
	      $foobar = 1

SEE ALSO 
apc_dec(3), apc_store(3).
PHP Documentation Group 														APC_CAS(3)