?array $badges ): string {We can safely use loose comparison ==, and empty string '' value will also be treated as not present, which is reasonable in this scenario.$nickname = $nickname == null ? 'Anonymous' : $nickname;Now, what about checking arrays or models for being empty?Chec...
Assert::stringNotEmpty($installerName,'The installer name must be a non-empty string. Got: %s'); Assert::nullOrStringNotEmpty($parameterName,'The parameter name must be a non-empty string or null. Got: %s');$this->code = $code;$this->installerName = $installerName;$this->parameterNa...
$result =newResult("");$this->assertTrue(Str::nullOrEmpty($null));$this->assertTrue(Str::nullOrEmpty($this->notInitialized));$this->assertTrue(Str::nullOrEmpty($empty));$this->assertTrue(Str::nullOrEmpty($zero));$this->assertFalse(Str::nullOrEmpty($whiteSpace,true));$this->asser...
As the empty string is of string type and NULL is of NULL type, the value returned is false. We can use the gettype() function to check the type. Example Code: $foo = ''; if($foo == NULL) { echo 'foo is null'; } else{ echo 'the condition is false'; } Output: foo is...
struct _zend_op_array{/* Common zend_function header here *//* ... */uint32_t last;zend_op*opcodes;int last_var;uint32_tT;zend_string**vars;/* ... */int last_literal;zval*literals;/* ... */}; 最重要的部分当然是opcodes,它是一个包含操作指令的数组。‘last’是数组中操作指令的...
Converting an array to a string will now generate an E_NOTICE level error, but the result of the cast will still be the string "Array". Turning NULL, FALSE, or an empty string into an object by adding a property will now emit an E_WARNING level error, instead of E_STRICT. Parameter...
·$tsql– This required parameter is a string that defines a Transact-SQL query. Question marks (?) are used as placeholders for parameters. ·$params– This optional parameter is an array of values that correspond (in order) to the parameter placeholders (question marks) in the query define...
public static function current() {if(is_null(static::$current)) static::$current = static::detect();return static::$current;} detect 方法 public static function detect() {// create a server object from global$server = new Server($_SERVER);$try = array('REQUEST_URI', 'PATH_INFO', ...
pmjones/AutoShel– Automatically maps CLI command names to PHP command classes in a specified namespace, reflecting on a specified main method within that class to determine the argument and option values. The method parameters may be scalar values(int, float, string, bool) or arrays. ...
($date); // check validity of date if(empty($unix_date)) { return "Bad date"; } // is it future date or past date if($now > $unix_date) { $difference = $now - $unix_date; $tense = "ago"; } else { $difference = $unix_date - $now; $tense = "from now"; } for($...