33 lines
611 B
PHP
33 lines
611 B
PHP
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<?php declare(strict_types = 1);
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/**
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* Abstract output class for HTTP headers.
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*
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* @package query-monitor
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*/
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abstract class QM_Output_Headers extends QM_Output {
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/**
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* @return void
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*/
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public function output() {
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$id = $this->collector->id;
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foreach ( $this->get_output() as $key => $value ) {
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if ( ! is_scalar( $value ) ) {
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$value = json_encode( $value );
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}
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# Remove illegal characters (Header may not contain NUL bytes)
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if ( is_string( $value ) ) {
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$value = str_replace( chr( 0 ), '', $value );
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}
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header( sprintf( 'X-QM-%s-%s: %s', $id, $key, $value ) );
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}
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}
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}
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