3v4l.org

run code in 300+ PHP versions simultaneously
<?php // note the const declarations -- constants really read-only vars const COMMA = ','; const EMPTY_STR = ""; const NULL_CHAR = "\0"; $delim = '\n'; // note what happens when inserted into doubled-quoted string $data = "1,2,3,$delim,4,5,6,$delim,7,8,9"; echo "\nThe data is:\n\n$data\n\n"; var_dump( EMPTY_STR, NULL_CHAR,strcmp(EMPTY_STR, NULL_CHAR)); // "" != "\0" and "" !== "\0" echo "Is null char empty value? ",empty(NULL_CHAR)? 'true':'false',"\n"; echo "Is zero an empty value? ",empty(0)? 'true':'false',"\n"; $strNumsEtc = str_replace( COMMA, EMPTY_STR, $data); echo "\nResult: $strNumsEtc\n"; $strArr = explode( $delim, $strNumsEtc); var_dump(str_split($strNumsEtc,3)); foreach ($strArr as $str) { echo $str,PHP_EOL; // echo print both shades of echo: echo multiple vars, print one var plus retval } // must add the PHP_EOL since PHP doesn't automatically do this echo PHP_EOL; foreach ($strArr as $str) { print $str; print PHP_EOL; }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0130.00316.88
8.3.50.0080.01222.05
8.3.40.0090.00618.71
8.3.30.0060.00919.04
8.3.20.0060.00320.13
8.3.10.0040.00421.59
8.3.00.0080.00019.25
8.2.180.0110.00716.75
8.2.170.0130.00722.96
8.2.160.0070.00720.39
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0080.00019.41
8.2.110.0000.01021.00
8.2.100.0120.00017.97
8.2.90.0060.00319.40
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0080.00018.05
8.2.50.0040.00418.10
8.2.40.0000.00818.12
8.2.30.0040.00418.17
8.2.20.0040.00417.63
8.2.10.0030.00518.03
8.2.00.0050.00217.87
8.1.280.0000.01425.92
8.1.270.0040.00420.61
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00322.81
8.1.230.0110.00017.77
8.1.220.0040.00417.88
8.1.210.0060.00318.77
8.1.200.0080.00417.23
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0040.00720.43
8.1.160.0030.00521.98
8.1.150.0040.00418.81
8.1.140.0000.00717.46
8.1.130.0040.00417.89
8.1.120.0050.00217.36
8.1.110.0040.00417.43
8.1.100.0070.00017.39
8.1.90.0000.00717.45
8.1.80.0040.00417.37
8.1.70.0000.00717.45
8.1.60.0030.00617.58
8.1.50.0020.00517.54
8.1.40.0070.00317.56
8.1.30.0030.00517.48
8.1.20.0000.00817.62
8.1.10.0030.00517.50
8.1.00.0030.00617.30
8.0.300.0060.00318.77
8.0.290.0040.00416.75
8.0.280.0000.00818.46
8.0.270.0000.00717.13
8.0.260.0060.00018.50
8.0.250.0000.00716.99
8.0.240.0000.00617.09
8.0.230.0000.00716.99
8.0.220.0030.00616.97
8.0.210.0070.00016.89
8.0.200.0000.00617.05
8.0.190.0000.00817.05
8.0.180.0070.00016.99
8.0.170.0040.00416.99
8.0.160.0040.00416.82
8.0.150.0000.00716.93
8.0.140.0000.00716.94
8.0.130.0030.00313.41
8.0.120.0050.00316.83
8.0.110.0000.00816.88
8.0.100.0000.00716.82
8.0.90.0050.00317.07
8.0.80.0090.00616.95
8.0.70.0030.00516.79
8.0.60.0040.00417.02
8.0.50.0040.00416.83
8.0.30.0090.01017.22
8.0.20.0140.00817.40
8.0.10.0040.00417.11
8.0.00.0080.01016.80
7.4.330.0000.00615.15
7.4.320.0050.00316.51
7.4.300.0030.00316.51
7.4.290.0000.00716.62
7.4.280.0030.00516.65
7.4.270.0000.00716.59
7.4.260.0030.00316.60
7.4.250.0000.00816.52
7.4.240.0030.00416.57
7.4.230.0000.00716.71
7.4.220.0040.01416.62
7.4.210.0060.01016.49
7.4.200.0030.00316.27
7.4.160.0140.01116.48
7.4.150.0250.00017.40
7.4.140.0120.00717.86
7.4.130.0100.01116.43
7.4.120.0050.01216.55
7.4.110.0080.00816.50
7.4.100.0120.00616.59
7.4.90.0120.00616.53
7.4.80.0060.01219.39
7.4.70.0080.00816.57
7.4.60.0120.00916.38
7.4.50.0100.00616.45
7.4.40.0070.01416.60
7.4.30.0100.01316.30
7.4.20.0110.00816.48
7.4.10.0140.00716.45
7.4.00.0080.01015.70
7.3.330.0060.00013.25
7.3.320.0000.00513.40
7.3.310.0070.00016.35
7.3.300.0000.00616.41
7.3.290.0100.00416.39
7.3.280.0050.01016.40
7.3.270.0110.01117.40
7.3.260.0160.00316.57
7.3.250.0130.00916.50
7.3.240.0200.00016.39
7.3.230.0070.01016.44
7.3.210.0100.00716.57
7.3.200.0140.00319.39
7.3.190.0150.00916.22
7.3.180.0110.00716.43
7.3.170.0110.00816.30
7.3.160.0150.00616.39
7.3.150.0060.01816.60
7.3.140.0150.00616.55
7.3.130.0180.00316.21
7.3.120.0110.00915.59
7.3.110.0080.00915.56
7.3.100.0070.01015.36
7.3.90.0040.01315.69
7.3.80.0110.00515.64
7.3.70.0100.00915.62
7.3.60.0110.00415.46
7.3.50.0100.00915.48
7.3.40.0060.01115.61
7.3.30.0080.01015.61
7.3.20.0090.01016.52
7.3.10.0080.01216.69
7.3.00.0110.00516.54
7.2.330.0070.02116.62
7.2.320.0140.00616.72
7.2.310.0070.01416.72
7.2.300.0150.00616.72
7.2.290.0130.01016.80
7.2.280.0170.00316.52
7.2.270.0150.00616.73
7.2.260.0140.01416.66
7.2.250.0130.00715.97
7.2.240.0040.01315.72
7.2.230.0130.00315.77
7.2.220.0150.00415.80
7.2.210.0110.00715.79
7.2.200.0090.00915.78
7.2.190.0080.00915.78
7.2.180.0070.01215.87
7.2.170.0140.00815.65
7.2.160.0190.00916.46
7.2.150.0130.01016.85
7.2.140.0070.01416.39
7.2.130.0130.01016.48
7.2.120.0070.01516.31
7.2.110.0170.00816.46
7.2.100.0120.01116.57
7.2.90.0080.00816.43
7.2.80.0140.00416.58
7.2.70.0090.01216.84
7.2.60.0050.01116.41
7.2.50.0170.00716.64
7.2.40.0000.01816.23
7.2.30.0090.00616.52
7.2.20.0120.01216.53
7.2.10.0140.00316.59
7.2.00.0060.01216.22
7.1.330.0060.01115.74
7.1.320.0070.01115.76
7.1.310.0130.00515.61
7.1.300.0120.00315.52
7.1.290.0080.00815.72
7.1.280.0090.00515.61
7.1.270.0100.00715.50
7.1.260.0040.01015.40
7.1.250.0220.01115.59
7.1.240.0080.01215.16
7.1.230.0100.01315.34
7.1.220.0040.01215.48
7.1.210.0110.00415.68
7.1.200.0040.01115.46
7.1.190.0100.00715.52
7.1.180.0120.00815.50
7.1.170.0030.01215.51
7.1.160.0330.00615.30
7.1.150.0150.00015.35
7.1.140.0040.01115.31
7.1.130.0100.00615.47
7.1.120.0030.01215.48
7.1.110.0060.00915.23
7.1.100.0160.00916.74
7.1.90.0080.00715.29
7.1.80.0110.00515.46
7.1.70.0030.01016.28
7.1.60.0120.00817.41
7.1.50.0070.01315.97
7.1.40.0060.01015.48
7.1.30.0040.01115.39
7.1.20.0060.00915.35
7.1.10.0070.00715.40
7.1.00.0090.03618.89
7.0.330.0160.00315.15
7.0.320.0080.00815.21
7.0.310.0070.00715.20
7.0.300.0030.01515.29
7.0.290.0090.00615.11
7.0.280.0070.00715.34
7.0.270.0060.00914.96
7.0.260.0030.01215.12
7.0.250.0100.00615.07
7.0.240.0120.00315.31
7.0.230.0090.00614.91
7.0.220.0090.00614.99
7.0.210.0180.00414.87
7.0.200.0470.00514.93
7.0.190.0110.00514.98
7.0.180.0100.00715.14
7.0.170.0130.00315.21
7.0.160.0090.00615.04
7.0.150.0090.00615.18
7.0.140.0060.04018.46
7.0.130.0040.01214.93
7.0.120.0110.00415.33
7.0.110.0090.00615.28
7.0.100.0060.00914.99
7.0.90.0110.00415.06
7.0.80.0100.00515.00
7.0.70.0060.00914.85
7.0.60.0090.04517.51
7.0.50.0130.03816.34
7.0.40.0110.04017.59
7.0.30.0150.02517.60
7.0.20.0160.03017.76
7.0.10.0110.04317.41
7.0.00.0040.02717.54
5.6.400.0130.01015.96
5.6.390.0090.01515.77
5.6.380.0100.00715.59
5.6.370.0030.01515.75
5.6.360.0170.00615.56
5.6.350.0070.01115.90
5.6.340.0070.01016.07
5.6.330.0060.01215.87
5.6.320.0060.01215.85
5.6.310.0040.01415.82
5.6.300.0030.01415.83
5.6.290.0110.00715.63
5.6.280.0060.04118.32
5.6.270.0060.01216.06
5.6.260.0120.00615.71
5.6.250.0100.00615.95
5.6.240.0040.01515.68
5.6.230.0070.01015.70
5.6.220.0140.00315.54
5.6.210.0090.03818.14
5.6.200.0050.03016.83
5.6.190.0120.04218.02
5.6.180.0180.02318.07
5.6.170.0160.04618.23
5.6.160.0150.03817.96
5.6.150.0070.04216.88
5.6.140.0080.04116.99
5.6.130.0040.04816.81
5.6.120.0030.03118.34
5.6.110.0120.04118.32
5.6.100.0080.05018.24
5.6.90.0090.05018.31
5.6.80.0130.04218.16
5.6.70.1510.02318.02
5.6.60.0030.01315.74
5.6.50.0140.00315.41
5.6.40.0070.01115.67
5.6.30.0110.00715.96
5.6.20.0120.00615.71
5.6.10.0060.01315.63
5.6.00.0060.01315.64
5.5.380.0090.00915.39
5.5.370.0070.01015.45
5.5.360.0030.01315.76
5.5.350.0200.04017.90
5.5.340.0070.02716.79
5.5.330.0130.04617.98
5.5.320.0140.03317.87
5.5.310.0210.03917.93
5.5.300.0040.04016.70
5.5.290.0070.02816.69
5.5.280.0100.04418.10
5.5.270.0060.03818.41
5.5.260.0120.04518.04
5.5.250.0120.04218.06
5.5.240.0170.04217.87
5.5.230.0070.01115.62
5.5.220.0060.01215.65
5.5.210.0070.01015.71
5.5.200.0120.00615.71
5.5.190.0130.00715.57
5.5.180.0100.01316.00
5.5.170.0060.01716.00
5.5.160.0120.00615.57
5.5.150.0070.01415.52
5.5.140.0070.01415.62
5.5.130.0110.01415.59
5.5.120.0060.01315.57
5.5.110.0090.00915.45
5.5.100.0040.01515.50
5.5.90.0170.00315.87
5.5.80.0060.01315.30
5.5.70.0030.01615.82
5.5.60.0100.00915.73
5.5.50.0180.00015.76
5.5.40.0090.00915.44
5.5.30.0080.01115.55
5.5.20.0190.00015.45
5.5.10.0090.00915.77
5.5.00.0070.01115.39
5.4.450.0140.03215.77
5.4.440.0530.03315.86
5.4.430.0430.03615.91
5.4.420.0100.03015.90
5.4.410.0110.02815.83
5.4.400.0050.03215.64
5.4.390.0050.03215.77
5.4.380.0090.03015.71
5.4.370.0100.02815.61
5.4.360.0060.03115.67
5.4.350.0110.02615.58
5.4.340.0050.02412.11
5.4.330.0100.00312.31
5.4.320.0080.02012.35
5.4.310.0070.02112.37
5.4.300.0100.01912.34
5.4.290.0070.02312.35
5.4.280.0090.02012.34
5.4.270.0080.02412.27
5.4.260.0070.02212.33
5.4.250.0050.02412.38
5.4.240.0060.02412.27
5.4.230.0050.02412.30
5.4.220.0100.02012.28
5.4.210.0070.02412.30
5.4.200.0040.02612.26
5.4.190.0060.02412.21
5.4.180.0070.02112.40
5.4.170.0060.02312.39
5.4.160.0080.02212.28
5.4.150.0090.02212.30
5.4.140.0100.02212.00
5.4.130.0120.01712.11
5.4.120.0070.02012.19
5.4.110.0070.02212.13
5.4.100.0080.02012.14
5.4.90.0070.02112.11
5.4.80.0110.01812.15
5.4.70.0090.02112.15
5.4.60.0040.02412.12
5.4.50.0080.02012.17
5.4.40.0090.02212.12
5.4.30.0060.02212.10
5.4.20.0060.02712.14
5.4.10.0110.01812.08
5.4.00.0060.02311.88
5.3.290.0050.02412.75
5.3.280.0050.02612.70
5.3.270.0050.03012.75
5.3.260.0080.02512.68
5.3.250.0100.02512.69
5.3.240.0060.02712.63
5.3.230.0080.02412.68
5.3.220.0090.02712.61
5.3.210.0070.04012.68
5.3.200.0060.02912.66
5.3.190.0080.03712.66
5.3.180.0050.02612.78
5.3.170.0080.02412.76
5.3.160.0050.02312.74
5.3.150.0040.02612.81
5.3.140.0070.02312.69
5.3.130.0080.02412.73
5.3.120.0060.02312.71
5.3.110.0060.02412.71
5.3.100.0050.02412.45
5.3.90.0060.02612.57
5.3.80.0040.02612.42
5.3.70.0080.02412.34
5.3.60.0070.02312.39
5.3.50.0080.02712.46
5.3.40.0030.02812.32
5.3.30.0070.02412.30
5.3.20.0070.02212.21
5.3.10.0090.02112.15
5.3.00.0040.02612.08
5.2.170.0050.02110.48
5.2.160.0050.01910.52
5.2.150.0080.01910.46
5.2.140.0050.01910.45
5.2.130.0070.01910.50
5.2.120.0070.02110.41
5.2.110.0060.01810.54
5.2.100.0050.01710.40
5.2.90.0050.02110.45
5.2.80.0050.01910.40
5.2.70.0050.02010.39
5.2.60.0060.02210.34
5.2.50.0090.01610.38
5.2.40.0050.02010.40
5.2.30.0050.02110.32
5.2.20.0050.02010.24
5.2.10.0060.01710.25
5.2.00.0070.02210.12
5.1.60.0070.0249.55
5.1.50.0050.0189.38
5.1.40.0040.0169.42
5.1.30.0050.0169.77
5.1.20.0050.0189.67
5.1.10.0020.0209.46
5.1.00.0040.0259.42
5.0.50.0050.0138.38
5.0.40.0040.0148.31
5.0.30.0050.0208.22
5.0.20.0060.0208.20
5.0.10.0060.0138.19
5.0.00.0040.0228.19
4.4.90.0030.0137.46
4.4.80.0030.0117.45
4.4.70.0060.0197.45
4.4.60.0030.0147.45
4.4.50.0030.0107.46
4.4.40.0000.0177.42
4.4.30.0030.0097.45
4.4.20.0030.0107.49
4.4.10.0020.0117.50
4.4.00.0020.0237.45
4.3.110.0050.0177.40
4.3.100.0020.0097.40
4.3.90.0040.0087.39
4.3.80.0030.0147.36
4.3.70.0040.0117.38
4.3.60.0020.0127.38
4.3.50.0020.0117.38
4.3.40.0050.0127.34
4.3.30.0040.0096.71
4.3.20.0020.0116.70
4.3.10.0030.0106.68
4.3.00.0100.0118.55

preferences:
53.16 ms | 401 KiB | 5 Q