「PHP」論理演算子(and、or)を利用するサンプル
説明
論理和 $cftA and $cftB
$cftA && $cftB
論理積 $cftA or $cftB
$cftA || $cftB
△ 論理和(and、&&)
<?php
$cft = 75;
if( $cft > 60 and $cft < 90) {
echo "Level A\n";
} else {
echo "Level B\n";
}
?>
<?php
$cft = 75;
if( $cft > 60 and $cft < 90) {
echo "Level A\n";
} else {
echo "Level B\n";
}
?>
<?php
$cft = 75;
if( $cft > 60 and $cft < 90) {
echo "Level A\n";
} else {
echo "Level B\n";
}
?>
結果
Level A
△ 論理積( or、||)
<?php
$cft = 105;
if( $cft > 60 or $cft < 90) {
echo "Level A\n";
} else {
echo "Level B\n";
}
?>
<?php
$cft = 105;
if( $cft > 60 or $cft < 90) {
echo "Level A\n";
} else {
echo "Level B\n";
}
?>
<?php
$cft = 105;
if( $cft > 60 or $cft < 90) {
echo "Level A\n";
} else {
echo "Level B\n";
}
?>
結果
Level B