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<?php $data = array( array( 'id' => 1, 'value' => 1.2 ), array( 'id' => 2, 'value' => 2.5 ), array( 'id' => 3, 'value' => 'N/A' ) ); var_export((float) 'N/A'); echo "\n--\n"; usort($data, fn($a, $b) => (float) $b['value'] <=> (float) $a['value']); var_export($data);
Output for git.master, git.master_jit, rfc.property-hooks
0.0 -- array ( 0 => array ( 'id' => 2, 'value' => 2.5, ), 1 => array ( 'id' => 1, 'value' => 1.2, ), 2 => array ( 'id' => 3, 'value' => 'N/A', ), )

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