cast string to int php

1intval($string);

1phpCopy<?php  
2$variable = "abc";
3$integer = (int)$variable;
4echo "The variable has converted to a number and its value is $integer.";  
5?>
6

1$num = "3.14"; 
2$int = (int)$num;//string to int
3$float = (float)$num;//string to float

1phpCopy<?php  
2$variable = "53";
3$integer = intval($variable);
4echo "The variable $variable has converted to a number and its value is $integer.";  
5echo "\n";
6
7$variable = "25.3";
8$float = floatval($variable);
9echo "The variable $variable has converted to a number and its value is $float.";  
10?>
11

1$num = "3.14";
2$int = (int)$num;

1phpCopy<?php  
2$variable = "2020Time";
3$integer = intval($variable);
4echo "The variable $variable has converted to a number and its value is $integer.";  
5echo "\n";
6
7$variable = "Time2020";
8$integer = intval($variable);
9echo "The variable $variable has converted to a number and its value is $integer.";  
10echo "\n";
11
12$variable = "25.3Time";
13$float = floatval($variable);
14echo "The variable $variable has converted to a number and its value is $float.";  
15echo "\n";
16
17$variable = "Time25.3";
18$float = floatval($variable);
19echo "The variable $variable has converted to a number and its value is $float.";  
20?>
21