3v4l.org

run code in 300+ PHP versions simultaneously
<?php $object = new stdClass(); for ( $i = 0 ; $i < 1000 ; $i++ ) { is_string($object); }

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)
8.3.60.0130.00618.52
8.3.50.0120.00721.21
8.3.40.0040.01118.70
8.3.30.0080.00618.89
8.3.20.0000.00720.26
8.3.10.0080.00022.06
8.3.00.0000.00722.52
8.2.180.0100.01016.38
8.2.170.0140.00722.96
8.2.160.0150.00319.11
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0030.00626.16
8.2.120.0090.00019.23
8.2.110.0060.00322.24
8.2.100.0160.00018.09
8.2.90.0000.00719.05
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0090.00017.74
8.2.50.0000.00918.07
8.2.40.0030.00518.03
8.2.30.0000.00818.05
8.2.20.0000.00717.62
8.2.10.0060.00317.60
8.2.00.0080.00317.73
8.1.280.0080.00525.92
8.1.270.0090.00022.07
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0040.00423.79
8.1.230.0030.00719.00
8.1.220.0040.00417.77
8.1.210.0000.00918.77
8.1.200.0050.00517.00
8.1.190.0000.00817.28
8.1.180.0080.00020.48
8.1.170.0030.00618.53
8.1.160.0040.00422.06
8.1.150.0040.00418.57
8.1.140.0000.00717.25
8.1.130.0040.00417.86
8.1.120.0000.00717.37
8.1.110.0020.00517.30
8.1.100.0070.00017.34
8.1.90.0000.00817.40
8.1.80.0000.00817.29
8.1.70.0000.00717.36
8.1.60.0060.00317.57
8.1.50.0000.00717.34
8.1.40.0080.00017.46
8.1.30.0000.00717.61
8.1.20.0000.00917.61
8.1.10.0000.00817.50
8.1.00.0030.00617.46
8.0.300.0040.00418.77
8.0.290.0030.00317.04
8.0.280.0030.00318.29
8.0.270.0070.00017.25
8.0.260.0070.00016.75
8.0.250.0080.00016.87
8.0.240.0030.00716.76
8.0.230.0030.00316.88
8.0.220.0030.00316.78
8.0.210.0030.00316.82
8.0.200.0060.00016.95
8.0.190.0070.00016.81
8.0.180.0000.00716.72
8.0.170.0050.00316.88
8.0.160.0040.00416.68
8.0.150.0000.00816.77
8.0.140.0080.00316.77
8.0.130.0000.00613.25
8.0.120.0040.00416.77
8.0.110.0040.00416.86
8.0.100.0000.00716.69
8.0.90.0030.00516.89
8.0.80.0060.00916.75
8.0.70.0040.00416.62
8.0.60.0040.00416.86
8.0.50.0000.00716.79
8.0.30.0150.00316.91
8.0.20.0120.00917.40
8.0.10.0000.00717.00
8.0.00.0120.00516.72
7.4.330.0000.00615.00
7.4.320.0060.00016.42
7.4.300.0030.00316.43
7.4.290.0050.00316.43
7.4.280.0000.00716.48
7.4.270.0030.00316.33
7.4.260.0070.00016.46
7.4.250.0030.00516.50
7.4.240.0000.00716.44
7.4.230.0000.00716.63
7.4.220.0130.01016.63
7.4.210.0070.00716.51
7.4.200.0080.00016.55
7.4.190.0080.00016.49
7.4.160.0060.01616.35
7.4.150.0090.00917.40
7.4.140.0110.00817.86
7.4.130.0100.00716.33
7.4.120.0050.01316.39
7.4.110.0110.01116.36
7.4.100.0060.01016.42
7.4.90.0030.01316.34
7.4.80.0200.00619.39
7.4.70.0130.00616.34
7.4.60.0090.00916.37
7.4.50.0030.00516.17
7.4.40.0100.00722.77
7.4.30.0060.00916.29
7.4.00.0080.00814.90
7.3.330.0030.00313.13
7.3.320.0000.00613.00
7.3.310.0000.00716.25
7.3.300.0000.00716.29
7.3.290.0060.00716.21
7.3.280.0090.00616.30
7.3.270.0100.00717.40
7.3.260.0040.01516.26
7.3.250.0090.01016.21
7.3.240.0130.00316.44
7.3.230.0100.00716.39
7.3.210.0060.01216.54
7.3.200.0130.00319.39
7.3.190.0130.00716.41
7.3.180.0150.00316.16
7.3.170.0070.01016.57
7.3.160.0130.00316.32
7.3.120.0050.01014.55
7.3.110.0100.00714.46
7.3.100.0150.00014.95
7.3.90.0000.00914.96
7.3.80.0000.01314.93
7.3.70.0090.00014.46
7.3.60.0040.01214.76
7.3.50.0030.01314.81
7.3.40.0090.00014.75
7.3.30.0060.00914.92
7.3.20.0030.01416.63
7.3.10.0140.00316.38
7.3.00.0090.00716.52
7.2.330.0120.00616.60
7.2.320.0040.01216.55
7.2.310.0110.00716.51
7.2.300.0030.01316.62
7.2.290.0040.01716.64
7.2.250.0150.00615.09
7.2.240.0080.00814.88
7.2.230.0090.00614.89
7.2.220.0100.00314.91
7.2.210.0030.01315.00
7.2.200.0040.00715.08
7.2.190.0030.01014.98
7.2.180.0070.01014.96
7.2.170.0030.01015.09
7.2.130.0060.01216.50
7.2.120.0150.00016.25
7.2.110.0120.00316.49
7.2.100.0130.00316.11
7.2.90.0110.00316.42
7.2.80.0130.00316.73
7.2.70.0070.01016.57
7.2.60.0100.00316.63
7.2.50.0140.00316.55
7.2.40.0080.00816.60
7.2.30.0070.01016.36
7.2.20.0070.01116.97
7.2.10.0100.01016.95
7.2.00.0080.00618.07
7.1.330.0110.00415.74
7.1.320.0060.00915.66
7.1.310.0040.00415.78
7.1.300.0070.00715.67
7.1.290.0080.00615.41
7.1.280.0030.01015.39
7.1.270.0030.01415.63
7.1.260.0000.01115.42
7.1.250.0120.00515.35
7.1.100.0040.00718.14
7.1.70.0000.00717.08
7.1.60.0110.01419.82
7.1.50.0100.01316.90
7.1.00.0030.03322.36
7.0.200.0040.00416.73
7.0.140.0100.07022.08
7.0.60.0070.08020.02
7.0.50.0070.04317.79
7.0.40.0100.07320.02
7.0.30.0330.03720.10
7.0.20.0370.05720.20
7.0.10.0230.04720.09
7.0.00.0000.09720.00
5.6.280.0000.07321.06
5.6.210.0200.04720.69
5.6.200.0030.07018.12
5.6.190.0100.09020.60
5.6.180.4070.04720.56
5.6.170.0330.05020.37
5.6.160.0070.08320.50
5.6.150.0100.05718.13
5.6.140.0130.07318.11
5.6.130.0070.06718.17
5.6.120.0000.05321.19
5.6.110.0070.06320.98
5.6.100.0130.07320.95
5.6.90.0100.07721.07
5.6.80.0030.04720.40
5.6.70.0300.07020.41
5.5.350.0100.06020.34
5.5.340.0030.04317.98
5.5.330.0030.04720.25
5.5.320.0170.04020.20
5.5.310.0200.04720.26
5.5.300.0100.07717.95
5.5.290.0070.08018.02
5.5.280.0070.08320.77
5.5.270.0070.04320.75
5.5.260.0030.09020.94
5.5.250.0100.04720.77
5.5.240.0130.05020.15
5.4.450.0630.06719.49
5.4.440.0700.06319.49
5.4.430.0700.05719.24
5.4.420.0770.04719.63
5.4.410.0300.05319.45
5.4.400.0370.07318.54
5.4.390.0170.07018.71
5.4.380.0230.05318.50
5.4.370.0230.05718.68
5.4.360.0370.04318.50
5.4.350.0330.04718.77
5.4.340.0270.05318.67
5.4.320.0090.03712.45
5.4.310.0020.04212.45
5.4.300.0050.04212.45
5.4.290.0090.04112.45
5.4.280.0070.04512.34
5.4.270.0090.03912.34
5.4.260.0000.06318.75
5.4.250.0130.05319.03
5.4.240.0130.04718.89
5.4.230.0130.05018.87
5.4.220.0100.07718.70
5.4.210.0070.05318.70
5.4.200.0100.07318.89
5.4.190.0130.06718.81
5.4.180.0100.06018.88
5.4.170.0170.05718.92
5.4.160.0100.05318.69
5.4.150.0130.06318.91
5.4.140.0230.05316.51
5.4.130.0170.04716.28
5.4.120.0130.07316.25
5.4.110.0100.06716.50
5.4.100.0030.07716.29
5.4.90.0130.06016.45
5.4.80.0170.06316.51
5.4.70.0070.07016.47
5.4.60.0070.07316.52
5.4.50.0200.05316.40
5.4.40.0130.05316.39
5.4.30.0070.06316.36
5.4.20.0130.05016.38
5.4.10.0070.05716.22
5.4.00.0130.05716.00
5.3.290.0070.04112.80
5.3.280.0070.06014.29
5.3.270.0070.07014.60
5.3.260.0100.06714.59
5.3.250.0000.06014.60
5.3.240.0100.07014.52
5.3.230.0030.05714.61
5.3.220.0130.04714.41
5.3.210.0100.05314.57
5.3.200.0100.05714.61
5.3.190.0030.05714.45
5.3.180.0070.05014.71
5.3.170.0100.07014.33
5.3.160.0070.07314.56
5.3.150.0070.07014.33
5.3.140.0070.04714.55
5.3.130.0200.05014.46
5.3.120.0130.05314.55
5.3.110.0030.05714.46
5.3.100.0130.04713.92
5.3.90.0170.05713.86
5.3.80.0070.05014.11
5.3.70.0130.06313.71
5.3.60.0130.06013.93
5.3.50.0170.04713.78
5.3.40.0100.05013.89
5.3.30.0130.04314.00
5.3.20.0230.04713.63
5.3.10.0030.05713.65
5.3.00.0070.07313.68
5.2.170.0130.05010.98
5.2.160.0230.03011.04
5.2.150.0030.04311.14
5.2.140.0100.06011.04
5.2.130.0070.04010.93
5.2.120.0030.04311.09
5.2.110.0070.04710.93
5.2.100.0070.04011.01
5.2.90.0130.05010.98
5.2.80.0000.06711.00
5.2.70.0100.04011.24
5.2.60.0130.04711.06
5.2.50.0030.04711.04
5.2.40.0100.03710.88
5.2.30.0170.03310.98
5.2.20.0100.03310.96
5.2.10.0000.05710.93
5.2.00.0070.04310.88
5.1.60.0070.0339.76
5.1.50.0030.03710.02
5.1.40.0070.03310.06
5.1.30.0100.03010.38
5.1.20.0130.04010.56
5.1.10.0030.03710.15
5.1.00.0000.04010.25
5.0.50.0030.0408.59
5.0.40.0030.0408.46
5.0.30.0100.0508.45
5.0.20.0030.0408.23
5.0.10.0070.0308.11
5.0.00.0070.0538.21
4.4.90.0030.0307.48
4.4.80.0100.0177.48
4.4.70.0070.0207.48
4.4.60.0030.0277.48
4.4.50.0000.0377.48
4.4.40.0070.0337.48
4.4.30.0000.0277.48
4.4.20.0030.0207.48
4.4.10.0000.0277.48
4.4.00.0030.0337.48
4.3.110.0070.0277.48
4.3.100.0100.0237.48
4.3.90.0070.0237.48
4.3.80.0030.0477.48
4.3.70.0030.0237.48
4.3.60.0030.0207.48
4.3.50.0030.0207.48
4.3.40.0030.0437.48
4.3.30.0000.0237.48
4.3.20.0000.0277.48
4.3.10.0070.0307.48
4.3.00.0230.0176.86

preferences:
34.86 ms | 401 KiB | 5 Q