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Wrap each equation part with code tag for readability

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This commit is contained in:
Brian Miyaji
2015-09-17 16:58:39 +10:00
parent 8c1b8c4bfc
commit 93e9a2e18f
1 changed files with 10 additions and 6 deletions
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16
includes/sp-core-functions.php
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@@ -414,11 +414,12 @@ if ( !function_exists( 'sp_get_post_equation' ) ) {
function sp_get_post_equation( $post_id ) {
$equation = get_post_meta ( $post_id, 'sp_equation', true );
if ( $equation ):
return str_replace(
$equation = str_replace(
array( '/', '(', ')', '+', '-', '*', '$' ),
array( '<code>&divide;</code>', '<code>(</code>', '<code>)</code>', '<code>&plus;</code>', '<code>&minus;</code>', '<code>&times;</code>', '' ),
array( '&divide;', '(', ')', '&plus;', '&minus;', '&times;', '' ),
trim( $equation )
);
return '<code>' . implode( '</code> <code>', explode( ' ', $equation ) ) . '</code>';
else:
return '&mdash;';
endif;
@@ -1104,14 +1105,17 @@ if ( !function_exists( 'sp_solve' ) ) {
include_once( SP()->plugin_path() . '/includes/libraries/class-eqeos.php' );
$eos = new eqEOS();
// Clearance to begin calculating remains true if all equation variables are in vars
$clearance = true;
// Remove spaces from equation
$equation = str_replace( ' ', '', $equation );
// Create temporary equation replacing operators with spaces
$temp = str_replace( array( '+', '-', '*', '/', '(', ')' ), ' ', $equation );
// Check if each variable part is in vars
$parts = explode( ' ', $equation );
$parts = explode( ' ', $temp );
foreach( $parts as $key => $value ):
if ( substr( $value, 0, 1 ) == '$' ):
if ( ! array_key_exists( preg_replace( "/[^a-z]/", '', $value ), $vars ) )
if ( ! array_key_exists( preg_replace( "/[^a-z0-9]/", '', $value ), $vars ) )
return 0;
endif;
endforeach;