Hướng dẫn ternary operator echo php
I want to write the following code in ternary operator. I tried in many way but it does not work at all. Show
asked Feb 19, 2015 at 9:11 1 Use this code
answered Feb 19, 2015 at 9:15 Sunil PachlangiaSunil Pachlangia 1,9832 gold badges13 silver badges25 bronze badges It should be like this:
answered Feb 19, 2015 at 9:13 AlbziAlbzi 15.2k6 gold badges44 silver badges61 bronze badges Not the answer you're looking for? Browse other questions tagged php operator-keyword ternary or ask your own question.I want to write the following code in ternary operator. I tried in many way but it does not work at all. Nội dung chính
asked Feb 19, 2015 at 9:11 1 Use this code
answered Feb 19, 2015 at 9:15 Sunil PachlangiaSunil Pachlangia 1,9832 gold badges13 silver badges25 bronze badges It should be like this:
answered Feb 19, 2015 at 9:13 AlbziAlbzi 15.2k6 gold badges44 silver badges61 bronze badges Not the answer you're looking for? Browse other questions tagged php operator-keyword ternary or ask your own question.I want to write the following code in ternary operator. I tried in many way but it does not work at all.
asked Feb 19, 2015 at 9:11 1 Use this code
answered Feb 19, 2015 at 9:15 Sunil PachlangiaSunil Pachlangia 1,9832 gold badges13 silver badges25 bronze badges It should be like this:
answered Feb 19, 2015 at 9:13 AlbziAlbzi 15.2k6 gold badges44 silver badges61 bronze badges Not the answer you're looking for? Browse other questions tagged php operator-keyword ternary or ask your own question.Comparison operators, as their name implies, allow you to compare two values. You may also be interested in viewing the type comparison tables, as they show examples of various type related comparisons. Comparison Operators
If both operands are numeric strings, or one operand is a number and the other one is a numeric string, then the comparison is done numerically. These rules also apply to the switch statement. The type conversion does not take place when the comparison is Warning Prior to PHP 8.0.0, if a string is compared to a number or a numeric string then the string was converted to a number before performing the comparison. This can lead to surprising results as can be seen with the following example:
"a") { Output of the above example in PHP 7: bool(true) bool(true) bool(true) bool(true) 0 Output of the above example in PHP 8: bool(false) bool(true) bool(true) bool(true) a
echo 1.5 <=> 1.5; // 0 For various types, comparison is done according to the following table (in order). Comparison with Various Types
Example #1 Boolean/null comparison
Example #2 Transcription of standard array comparison
Warning Comparison of floating point numbersBecause of the way floats are represented internally, you should not test two floats for equality. See the documentation for float for more information.
Incomparable Values While identity
comparison ( Ternary OperatorAnother conditional operator is the "?:" (or ternary) operator. Example #3 Assigning a default value
The expression It is possible to leave out the middle part of the ternary operator. Expression
Null Coalescing OperatorAnother useful shorthand operator is the "??" (or null coalescing) operator. Example #6 Assigning a default value
The expression In particular, this operator does not emit a notice or warning if the left-hand side value does not exist, just like isset(). This is especially useful on array keys.
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count($a1) == count($a2))
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