3v4l.org

run code in 300+ PHP versions simultaneously
<?php $variable = '1'; $tests = 10000; $time_start = microtime(true); for ($i=0; $i<$tests; $i++) { $bool = is_string($variable); } $time_end = microtime(true); $time = $time_end - $time_start; echo "is_string() in $time seconds\n"; $time_start = microtime(true); for ($i=0; $i<$tests; $i++) { $bool = is_scalar($variable); } $time_end = microtime(true); $time = $time_end - $time_start; echo "is_scalar() in $time seconds\n";

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)
7.4.00.0070.01214.83
7.3.120.0030.01414.75
7.3.110.0040.01114.71
7.3.100.0080.00814.69
7.3.90.0080.00814.79
7.3.80.0080.00814.81
7.3.70.0050.00914.76
7.3.60.0030.01014.85
7.3.50.0080.00714.84
7.3.40.0030.01114.64
7.3.30.0080.00814.78
7.3.20.0080.00516.65
7.3.10.0060.00716.59
7.3.00.0110.00316.67
7.2.250.0090.01214.98
7.2.240.0060.01214.81
7.2.230.0070.00915.13
7.2.220.0050.00915.07
7.2.210.0080.00314.91
7.2.200.0050.01215.16
7.2.190.0020.01215.00
7.2.180.0070.00715.03
7.2.170.0080.00914.94
7.2.00.0030.01319.66
7.1.330.0090.00915.77
7.1.320.0080.00915.68
7.1.310.0030.01115.65
7.1.300.0020.01015.71
7.1.290.0070.00915.78
7.1.280.0080.00715.83
7.1.270.0050.01015.71
7.1.260.0050.01015.64
7.1.70.0070.00717.28
7.1.60.0030.02319.42
7.1.50.0060.01316.70
7.1.00.0030.07322.31
7.0.200.0430.00715.02
7.0.60.0100.04319.96
7.0.50.0100.07317.92
7.0.40.0070.09020.04
7.0.30.0430.06720.04
7.0.20.0230.06720.20
7.0.10.0030.05020.21
7.0.00.0070.07320.00
5.6.280.0030.04020.90
5.6.210.0130.07020.63
5.6.200.0100.08318.17
5.6.190.0070.08320.56
5.6.180.0270.07020.43
5.6.170.0100.04720.49
5.6.160.0030.04320.65
5.6.150.0100.08018.12
5.6.140.0000.05318.21
5.6.130.0170.03318.19
5.6.120.0170.07320.97
5.6.110.0030.07321.02
5.6.100.0130.07721.07
5.6.90.0200.04021.09
5.6.80.0030.04020.52
5.5.350.0070.08720.44
5.5.340.0100.03317.92
5.5.330.0030.08720.40
5.5.320.0030.04720.31
5.5.310.0370.08320.21
5.5.300.0130.08017.91
5.5.290.0170.07717.98
5.5.280.0070.08320.97
5.5.270.0130.07720.63
5.5.260.0070.08720.96
5.5.250.0030.07320.65
5.5.240.0070.09320.15
5.4.450.0630.05319.12
5.4.440.0630.06019.21
5.4.430.0630.05719.23
5.4.420.0630.05719.55
5.4.410.0670.07019.44
5.4.400.0670.05719.27
5.4.390.0630.05019.15
5.4.380.0670.04719.02
5.4.370.0430.07019.25
5.4.360.0670.06718.95
5.4.350.0630.05019.15
5.4.340.0570.06019.26
5.4.320.0570.05719.13
5.4.310.0630.05318.76
5.4.300.0570.05319.17
5.4.290.0630.05019.25
5.4.280.0670.06019.11
5.4.270.0630.05719.19
5.4.260.0670.06019.17
5.4.250.0730.05019.18
5.4.240.0800.06019.05
5.4.230.0530.07319.10
5.4.220.0170.05718.91
5.4.210.0730.05318.70
5.4.200.0600.06316.61
5.4.190.0700.04318.76
5.4.180.0600.05718.81
5.4.170.0130.05318.97
5.4.160.0200.04718.78
5.4.150.0370.06018.96
5.4.140.0130.06316.27
5.4.130.0700.05016.28
5.4.120.0500.06016.52
5.4.110.0170.04716.52
5.4.100.0130.05016.31
5.4.90.0300.06016.18
5.4.80.0430.05316.50
5.4.70.0530.05316.39
5.4.60.0630.04716.32
5.4.50.0630.05016.21
5.4.40.0500.06016.18
5.4.30.0770.04716.09
5.4.20.0800.05016.14
5.4.10.0500.05316.38
5.4.00.0700.06015.61
5.3.290.0430.06314.49
5.3.280.0530.05314.45
5.3.270.0600.06014.47
5.3.260.0570.06314.45
5.3.250.0670.06014.45
5.3.240.0670.06314.43
5.3.230.0670.05714.53
5.3.220.0770.05314.54
5.3.210.0670.07314.51
5.3.200.0570.06714.58
5.3.190.0730.08714.40
5.3.180.0700.08014.54
5.3.170.0830.07314.39
5.3.160.0900.07714.43
5.3.150.0830.05714.53
5.3.140.0700.06014.38
5.3.130.0570.06314.52
5.3.120.0670.06314.42
5.3.110.0770.08014.42
5.3.100.0600.06314.02
5.3.90.0800.06013.86
5.3.80.0670.05713.89
5.3.70.0700.05313.81
5.3.60.0670.05713.93
5.3.50.0830.05013.72
5.3.40.0600.05313.79
5.3.30.0400.06313.75
5.3.20.0630.05313.78
5.3.10.0870.06713.61
5.3.00.0530.05713.41
5.2.170.0530.04711.22
5.2.160.0570.04711.21
5.2.150.0430.05010.97
5.2.140.0670.05011.02
5.2.130.0570.04711.26
5.2.120.0600.04011.11
5.2.110.0630.04310.93
5.2.100.0530.05310.93
5.2.90.0630.05011.18
5.2.80.0700.04710.92
5.2.70.0530.05010.87
5.2.60.0670.05010.82
5.2.50.0530.05310.85
5.2.40.0470.05310.83
5.2.30.0530.04710.91
5.2.20.0430.04710.73
5.2.10.0330.04710.75
5.2.00.0470.04010.63
5.1.60.0430.0409.80
5.1.50.0430.0409.86
5.1.40.0470.0309.85
5.1.30.0530.05710.38
5.1.20.0570.05710.35
5.1.10.0400.0539.98
5.1.00.0430.04310.07
5.0.50.0230.0438.61
5.0.40.0270.0438.30
5.0.30.0270.0578.31
5.0.20.0330.0338.25
5.0.10.0230.0438.40
5.0.00.0200.0608.05
4.4.90.0270.0375.86
4.4.80.0200.0375.86
4.4.70.0300.0335.92
4.4.60.0170.0375.85
4.4.50.0230.0335.81
4.4.40.0200.0475.83
4.4.30.0270.0335.80
4.4.20.0170.0375.82
4.4.10.0170.0436.00
4.4.00.0330.0535.87
4.3.110.0300.0305.78
4.3.100.0230.0475.86
4.3.90.0370.0375.66
4.3.80.0370.0505.68
4.3.70.0270.0305.83
4.3.60.0230.0305.73
4.3.50.0270.0375.80
4.3.40.0200.0505.67
4.3.30.0170.0404.43
4.3.20.0170.0374.54
4.3.10.0270.0274.44
4.3.00.0070.0337.45

preferences:
44.66 ms | 403 KiB | 5 Q