php echo space between variables

What is the difference between single and double quotes in PHP? 1. As can be seen, the double-quote variable is parsed and output, and the single-quote variable is not resolved. 2. The resolution of single quotation marks is faster than double

Differences between echo (), print (), and print_r () in PHP. The difference between echo and print is that echo can output multiple variable values, while print only has one variable, which is output as a string. another difference is that echo

Echo (), print (), and print_r () in PHP. The difference in print is that echo can output multiple variables & #20540; while print only has one variable, output as a string. another difference is that echo does not return & #20540;, and print has

Echo (), print (), and print_r () in PHP. The difference in print is that echo can output multiple variables & #20540; while print only has one variable, output as a string. another difference is that echo does not return & #20540;, and print

In a process of change, the constant amount is calledConstantAnd the variable isVariableIs a sequential storage space with a name. Which of the following isPHPBasic knowledge of variables and constants. This tutorial introduces PHP variables in the

Introduction to comments, variables, arrays, constants, and function applications in PHPThis article will detail the comments in PHP, variables, arrays, constants, function applications, the need for friends can refer to the followingWhat is the

What is the difference between single and double quotes in PHP? 1. As can be seen, the double-quote variable is parsed and output, and the single-quote variable is not resolved. 2. The resolution of single quotation marks is faster than double

The difference between echo and print is that echo can output multiple variable values, while print only has one variable, which is output as a string. another difference is that echo has no return value, and print has a return value. print cannot

& Nbsp; echo, the difference between print is that echo can output multiple variable values, while print only has one variable, which is output as a string. another difference is that echo has no return value, and print has a return value. print

The difference between Echo and print is that echo can output multiple variable values, while print has only one variable as a string output. The other difference is that ECHO has no return value, and print has a return value of 1.print and cannot