Support for PHP 5.3

* added PHP 5.3 to the build matrix
* php 5.3 compat in code and tests: `[] -> array()`

Author: iamcal

.github/workflows/php.yml

@@ -17,6 +17,9 @@ jobs:
         phpunit-versions: ['9.5.4']
         coverage: [false]
         include:
+        - php-versions: '5.3'
+          operating-system: 'ubuntu-16.04'
+          phpunit-versions: '4.8.36'
         - php-versions: '5.4'
           operating-system: 'ubuntu-16.04'
           phpunit-versions: '4.8.36'
@@ -53,13 +56,8 @@ jobs:
 
     - uses: actions/checkout@v2
 
-    - run: composer require "phpunit/phpunit:${{ matrix.phpunit-versions }}" --dev --no-update
-
+    - run: composer remove phpunit/phpunit --dev --no-update
     - run: composer remove php-coveralls/php-coveralls --dev --no-update
-
-    - run: composer require php-coveralls/php-coveralls:~1.0 --dev --no-update
-      if: ${{ matrix.coverage }}
-
     - run: cat composer.json
 
     - name: Cache Composer packages
@@ -75,13 +73,13 @@ jobs:
       run: composer install --prefer-source --no-interaction --dev
 
     - name: Run tests
-      run: ./vendor/bin/phpunit
+      run: phpunit
       if: ${{ !matrix.coverage }}
 
     - name: Run tests with coverage
       run: |
        mkdir -p build/logs
-       ./vendor/bin/phpunit --coverage-clover build/logs/clover.xml
+       phpunit --coverage-clover build/logs/clover.xml
        ls -l build/logs/
       if: ${{ matrix.coverage }}
 

src/SQLParser.php

@@ -79,7 +79,7 @@ private function _lex($sql){
 			# <regular identifier>
 			# <key word>
 			if (preg_match('![[:alpha:]][[:alnum:]_]*!A', $sql, $m, 0, $pos)){
-				$source_map[] = [$pos, strlen($m[0])];
+				$source_map[] = array($pos, strlen($m[0]));
 				$pos += strlen($m[0]);
 				continue;
 			}
@@ -90,7 +90,7 @@ private function _lex($sql){
 				if ($p2 === false){
 					$pos = $len;
 				}else{
-					$source_map[] = [$pos, 1+$p2-$pos];
+					$source_map[] = array($pos, 1+$p2-$pos);
 					$pos = $p2+1;
 				}
 				continue;
@@ -101,7 +101,7 @@ private function _lex($sql){
 			#	<period> <unsigned integer>
 			#	<unsigned integer> ::= <digit>...
 			if (preg_match('!(\d+\.?\d*|\.\d+)!A', $sql, $m, 0, $pos)){
-				$source_map[] = [$pos, strlen($m[0])];
+				$source_map[] = array($pos, strlen($m[0]));
 				$pos += strlen($m[0]);
 				continue;
 			}
@@ -122,7 +122,7 @@ private function _lex($sql){
 					}
 					if ($sql[$c] == $q){
 						$slen = $c + 1 - $pos;
-						$source_map[] = [$pos, $slen];
+						$source_map[] = array($pos, $slen);
 						$pos += $slen;
 						break;
 					}
@@ -144,7 +144,7 @@ private function _lex($sql){
 			# <double period>
 			# <left bracket>
 			# <right bracket>
-			$source_map[] = [$pos, 1];
+			$source_map[] = array($pos, 1);
 			$pos++;
 		}
 
@@ -856,7 +856,7 @@ function _extract_tokens($sql, &$source_map){
 		foreach ($singles as $s) $smap[$s] = 1;
 
 		$out = array();
-		$out_map = [];
+		$out_map = array();
 
 		$i = 0;
 		$len = count($source_map);