"PHP range()"의 두 판 사이의 차이

2018년 8월 10일 (금) 07:19 판

foreach (range(0, 3) as $n) {
    echo $n . ' ';
}
# 0 1 2 3

foreach (range(0, 10, 2) as $n) {
    echo $n . ' ';
}
# 0 2 4 6 8 10

foreach (range('a', 'd') as $ch) {
    echo $ch . ' ';
}
# a b c d

@@ 4번째 줄: / 4번째 줄: @@
 <source lang='php'>
-foreach (range(0, 3) as $number) {
+foreach (range(0, 3) as $n) {
-     echo $number . ' ';
+     echo $n . ' ';
 }
 # 0 1 2 3
 </source>
 <source lang='php'>
-foreach (range(0, 10, 2) as $number) {
+foreach (range(0, 10, 2) as $n) {
-     echo $number . ' ';
+     echo $n . ' ';
 }
 # 0 2 4 6 8 10
 </source>
 <source lang='php'>
-foreach (range('a', 'd') as $number) {
+foreach (range('a', 'd') as $ch) {
-     echo $number . ' ';
+     echo $ch . ' ';
 }
 # a b c d