3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v1 = 5; $v2 = '5-4'; echo (strcmp($v1,$v2) === 0 ? 'they are the same' : 'they aren\'t the same'); $time = microtime(1); $i = 0; while($i++ < 50000) donull((strcmp($v1,$v2) === 0)); echo (microtime(1)-$time)." seconds for strcmp"; echo "\n"; $time = microtime(1); $i = 0; while($i++ < 50000) donull(((string) $v1 == (string) $v2)); echo (microtime(1)-$time)." seconds for typecasting"; function donull($v){};

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)
7.4.60.0030.02916.28
7.4.50.0070.01716.25
7.4.40.0120.00916.06
7.4.30.0100.02215.84
7.4.20.0100.01315.98
7.4.10.0110.01415.82
7.4.00.0090.01316.43
7.3.180.0060.02016.05
7.3.170.0110.01516.30
7.3.160.0130.01316.17
7.3.150.0120.01515.96
7.3.140.0070.01816.33
7.3.130.0170.00816.25
7.3.120.0130.01315.99
7.3.110.0170.01016.33
7.3.100.0030.02216.14
7.3.90.0150.02316.18
7.3.80.0160.00916.41
7.3.70.0120.01215.99
7.3.60.0070.02016.08
7.3.50.0090.01616.24
7.3.40.0140.01116.16
7.3.30.0120.01216.07
7.3.20.0230.01316.26
7.3.10.0070.02016.04
7.3.00.0130.01716.20
7.2.310.0140.01616.23
7.2.300.0030.02416.28
7.2.290.0100.01416.38
7.2.280.0150.01216.29
7.2.270.0100.01716.40
7.2.260.0130.01316.25
7.2.250.0120.01516.38
7.2.240.0090.01816.25
7.2.230.0180.01216.29
7.2.220.0100.03016.26
7.2.210.0130.01916.27
7.2.200.0090.02216.23
7.2.190.0190.01916.18
7.2.180.0120.01616.31
7.2.170.0090.01616.23
7.2.160.0120.01516.34
7.2.150.0240.00916.38
7.2.140.0090.01816.39
7.2.130.0130.02016.33
7.2.120.0030.02516.24
7.2.110.0120.01616.31
7.2.100.0120.01516.44
7.2.90.0070.02416.45
7.2.80.0150.01216.47
7.2.70.0040.02416.34
7.2.60.0070.03016.16
7.2.50.0100.02116.30
7.2.40.0160.01216.35
7.2.30.0170.01016.30
7.2.20.0150.01816.33
7.2.10.0100.02016.24
7.2.00.0080.01617.95
7.1.330.0150.01915.38
7.1.320.0170.02415.18
7.1.310.0120.02415.32
7.1.300.0100.02615.35
7.1.290.0080.02315.36
7.1.280.0090.02315.45
7.1.270.0100.02415.20
7.1.260.0060.02815.37
7.1.250.0140.02415.16
7.1.240.0100.02415.25
7.1.230.0170.01815.38
7.1.220.0000.03015.32
7.1.210.0170.03415.20
7.1.200.0100.02315.31
7.1.190.0150.01815.04
7.1.180.0130.02315.05
7.1.170.0090.02515.16
7.1.160.0070.04315.19
7.1.150.0050.02715.29
7.1.140.0200.01315.07
7.1.130.0090.02314.88
7.1.120.0180.01915.05
7.1.110.0070.02715.29
7.1.100.0100.02115.32
7.1.90.0100.02215.18
7.1.80.0080.03214.98
7.1.70.0060.01816.26
7.1.60.0070.01916.04
7.1.50.0030.03216.07
7.1.40.0200.02715.55
7.1.30.0160.01715.36
7.1.20.0120.02315.13
7.1.10.0130.02015.29
7.1.00.0090.05618.71
7.0.330.0110.02214.88
7.0.320.0030.02714.83
7.0.310.0060.02315.13
7.0.300.0060.02514.84
7.0.290.0060.02515.09
7.0.280.0140.01814.97
7.0.270.0040.02814.86
7.0.260.0090.02414.91
7.0.250.0000.03115.07
7.0.240.0160.01615.01
7.0.230.0100.02214.96
7.0.220.0150.01915.07
7.0.210.0100.02115.09
7.0.200.0100.02115.84
7.0.190.0100.02114.93
7.0.180.0110.02614.89
7.0.170.0140.01815.27
7.0.160.0130.02015.22
7.0.150.0070.02615.09
7.0.140.0090.05518.51
7.0.130.0120.02014.96
7.0.120.0190.01315.00
7.0.110.0120.01915.08
7.0.100.0130.05818.43
7.0.90.0080.05818.45
7.0.80.0060.05818.39
7.0.70.0080.05518.55
7.0.60.0090.05418.20
7.0.50.0080.04818.66
7.0.40.0050.05917.51
7.0.30.0120.06117.38
7.0.20.0100.05917.56
7.0.10.0090.05317.51
7.0.00.0150.05617.60
5.6.400.0030.04615.97
5.6.390.0090.03915.70
5.6.380.0100.04015.62
5.6.370.0070.04715.78
5.6.360.0130.03415.54
5.6.350.0040.04415.74
5.6.340.0120.03915.47
5.6.330.0130.03815.71
5.6.320.0030.04615.58
5.6.310.0030.04616.04
5.6.300.0100.04515.86
5.6.290.0170.03215.58
5.6.280.0050.07718.23
5.6.270.0130.04015.75
5.6.260.0030.04915.67
5.6.250.0130.05518.08
5.6.240.0070.07918.14
5.6.230.0090.06718.13
5.6.220.0100.07018.08
5.6.210.0100.07218.14
5.6.200.0070.06918.43
5.6.190.0070.08018.45
5.6.180.0050.08418.42
5.6.170.0090.08218.29
5.6.160.0080.08018.40
5.6.150.0100.07518.38
5.6.140.0070.08518.35
5.6.130.0070.07518.33
5.6.120.0120.07118.28
5.6.110.0080.07818.32
5.6.100.0030.08618.45
5.6.90.0050.08118.31
5.6.80.0090.08018.10
5.6.70.0110.05518.03
5.6.60.0030.08017.99
5.6.50.0030.07918.03
5.6.40.0070.07918.14
5.6.30.0100.07018.14
5.6.20.0080.07218.04
5.6.10.0080.07518.02
5.6.00.0080.08218.01
5.5.380.0030.07818.13
5.5.370.0090.08017.96
5.5.360.0050.08117.97
5.5.350.0050.09717.98
5.5.340.0110.09718.17
5.5.330.0090.07818.24
5.5.320.0130.09018.22
5.5.310.0100.09518.27
5.5.300.0110.07318.12
5.5.290.0130.07518.26
5.5.280.0100.08618.17
5.5.270.0070.08818.13
5.5.260.0050.07618.20
5.5.250.0090.08818.08
5.5.240.0080.08017.88
5.5.230.0030.07917.88
5.5.220.0090.07817.88
5.5.210.0060.07918.05
5.5.200.0070.08318.02
5.5.190.0080.07517.96
5.5.180.0050.07617.83
5.5.170.0150.03315.55
5.5.160.0150.07917.71
5.5.150.0070.07817.98
5.5.140.0050.07617.85
5.5.130.0120.07717.79
5.5.120.0070.08317.99
5.5.110.0100.05817.91
5.5.100.0060.08017.79
5.5.90.0050.07817.80
5.5.80.0100.07217.86
5.5.70.0070.07017.91
5.5.60.0120.06117.86
5.5.50.0080.07217.83
5.5.40.0110.07817.79
5.5.30.0090.07417.93
5.5.20.0080.06817.90
5.5.10.0090.07917.81
5.5.00.0070.07317.87
5.4.450.0080.07316.00
5.4.440.0040.07416.02
5.4.430.0070.07915.92
5.4.420.0020.07315.95
5.4.410.0100.07215.88
5.4.400.0050.06515.82
5.4.390.0110.07815.82
5.4.380.0090.06715.85
5.4.370.0110.07115.69
5.4.360.0070.07515.62
5.4.350.0080.07415.78
5.4.340.0110.07415.78
5.4.330.0150.07012.41
5.4.320.0080.07315.84
5.4.310.0130.07215.65
5.4.300.0030.07615.77
5.4.290.0090.07415.74
5.4.280.0100.07115.68
5.4.270.0070.07315.91
5.4.260.0100.06715.83
5.4.250.0040.07115.81
5.4.240.0030.06415.88
5.4.230.0020.08115.87
5.4.220.0050.06215.77
5.4.210.0070.08315.80
5.4.200.0090.07815.81
5.4.190.0050.08815.73
5.4.180.0110.08015.74
5.4.170.0130.06615.85
5.4.160.0070.07215.77
5.4.150.0090.07015.86
5.4.140.0100.07214.59
5.4.130.0040.07314.38
5.4.120.0050.07914.46
5.4.110.0050.05614.45
5.4.100.0050.05714.46
5.4.90.0050.07014.52
5.4.80.0030.07914.53
5.4.70.0050.08114.42
5.4.60.0030.06514.45
5.4.50.0050.07414.52
5.4.40.0050.07114.47
5.4.30.0070.07714.44
5.4.20.0080.07714.48
5.4.10.0080.08714.43
5.4.00.0100.07014.12
5.3.290.0000.08513.88
5.3.280.0060.07313.74
5.3.270.0030.08013.87
5.3.260.0080.08313.93
5.3.250.0080.08313.87
5.3.240.0030.07613.84
5.3.230.0100.07613.83
5.3.220.0050.08313.79
5.3.210.0060.08813.82
5.3.200.0050.06113.84
5.3.190.0050.07013.75
5.3.180.0040.08013.80
5.3.170.0030.08213.78
5.3.160.0030.08614.00
5.3.150.0050.09613.83
5.3.140.0020.07213.82
5.3.130.0100.07213.79
5.3.120.0070.07913.88
5.3.110.0110.07413.76
5.3.100.0030.07713.55
5.3.90.0050.09213.58
5.3.80.0110.08713.49
5.3.70.0020.08713.53
5.3.60.0110.08413.61
5.3.50.0120.07813.50
5.3.40.0070.08113.56
5.3.30.0050.09613.52
5.3.20.0110.07313.42
5.3.10.0070.08213.32
5.3.00.0120.07313.32
5.2.170.0050.09211.64
5.2.160.0050.07811.59
5.2.150.0030.09311.71
5.2.140.0070.08211.64
5.2.130.0030.08811.53
5.2.120.0050.08811.60
5.2.110.0070.08511.61
5.2.100.0060.08811.60
5.2.90.0130.08711.54
5.2.80.0080.07011.55
5.2.70.0060.07011.64
5.2.60.0060.06411.48
5.2.50.0100.10711.39
5.2.40.0120.07011.42
5.2.30.0070.06911.45
5.2.20.0030.06811.48
5.2.10.0110.09111.35
5.2.00.0130.11311.19
5.1.60.0100.10710.68
5.1.50.0080.11110.69
5.1.40.0050.07810.73
5.1.30.0080.07010.79
5.1.20.0080.06910.74
5.1.10.0030.08910.73
5.1.00.0050.08010.67
5.0.50.0070.09310.29
5.0.40.0050.08910.28
5.0.30.0060.11410.28
5.0.20.0060.10010.28
5.0.10.0070.10710.28
5.0.00.0030.10610.28
4.4.90.0020.09310.28
4.4.80.0040.08110.28
4.4.70.0020.13810.28
4.4.60.0020.09410.28
4.4.50.0020.14510.28
4.4.40.0030.11110.28
4.4.30.0030.08910.28
4.4.20.0000.13010.28
4.4.10.0030.07910.28
4.4.00.0020.10710.28
4.3.110.0020.08210.28
4.3.100.0050.07910.28
4.3.90.0030.08110.28
4.3.80.0060.08310.28
4.3.70.0040.08610.28
4.3.60.0050.08510.28
4.3.50.0020.09710.28
4.3.40.0020.08710.28
4.3.30.0020.09210.28
4.3.20.0050.08110.28
4.3.10.0030.07910.28
4.3.00.0050.08010.28

preferences:
44.19 ms | 400 KiB | 5 Q