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<?php
/**
* Check if there are PHP variables in translation strings.
*
* @package Theme Check
*/
/**
* Check if there are PHP variables in translation strings.
*/
class I18N_Check implements themecheck {
/**
* Error messages, warnings and info notices.
*
* @var array $error
*/
protected $error = array();
/**
* Check that return true for good/okay/acceptable, false for bad/not-okay/unacceptable.
*
* @param array $php_files File paths and content for PHP files.
* @param array $css_files File paths and content for CSS files.
* @param array $other_files Folder names, file paths and content for other files.
*/
public function check( $php_files, $css_files, $other_files ) {
checkcount();
// Make sure the tokenizer is available.
if ( ! function_exists( 'token_get_all' ) ) {
return true;
}
foreach ( $php_files as $php_key => $phpfile ) {
$stmts = array();
foreach ( array( '_e(', '__(', '_e (', '__ (' ) as $finder ) {
$search = $phpfile;
while ( ( $pos = strpos( $search, $finder ) ) !== false &&
strpos( $search, 'pll__' ) === false &&
strpos( $search, 'pll_e' ) === false ) {
$search = substr( $search, $pos );
$open = 1;
$i = strpos( $search, '(' ) + 1;
while ( $open > 0 && isset( $search[ $i ] ) ) {
switch ( $search[ $i ] ) {
case '(':
$open++;
break;
case ')':
$open--;
break;
}
$i++;
}
$stmts[] = substr( $search, 0, $i );
$search = substr( $search, $i );
}
}
foreach ( $stmts as $match ) {
$tokens = token_get_all( '<?php ' . $match . ';' );
if ( ! empty( $tokens ) ) {
foreach ( $tokens as $token ) {
if ( is_array( $token ) && in_array( $token[0], array( T_VARIABLE ) ) ) {
$filename = tc_filename( $php_key );
$grep = tc_grep( ltrim( $token[1] ), $php_key );
$this->error[] = sprintf(
'<span class="tc-lead tc-recommended">%s</span>: %s',
__( 'RECOMMENDED', 'theme-check' ),
sprintf(
__( 'Possible variable %1$s found in translation function in %2$s. Translation function calls must not contain PHP variables, use placeholders instead. See <a href="%3$s" target="_blank">Internationalization Guidelines (Opens in a new window)</a>. %4$s', 'theme-check' ),
'<strong>' . $token[1] . '</strong>',
'<strong>' . $filename . '</strong>',
'https://developer.wordpress.org/apis/handbook/internationalization/internationalization-guidelines/#variables',
$grep
)
);
break; // Stop looking at the tokens on this line once a variable is found.
}
}
}
}
}
return true;
}
/**
* Get error messages from the checks.
*
* @return array Error message.
*/
public function getError() {
return $this->error;
}
}
$themechecks[] = new I18N_Check();