3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = "1"; for($i=0;$i<100000;$i++) { is_string($x); }

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)
8.3.40.0120.00318.53
8.3.30.0040.01118.67
8.3.20.0000.00818.44
8.3.10.0030.00520.97
8.3.00.0000.00821.73
8.2.170.0120.00622.96
8.2.160.0040.01120.45
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0080.00021.11
8.2.110.0070.00320.52
8.2.100.0130.00017.59
8.2.90.0000.00819.23
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0060.00318.04
8.2.50.0000.00918.07
8.2.40.0000.00918.16
8.2.30.0040.00419.45
8.2.20.0030.00617.62
8.2.10.0000.00817.68
8.2.00.0040.00417.49
8.1.270.0030.00523.99
8.1.260.0110.00726.35
8.1.250.0050.00328.09
8.1.240.0100.00022.52
8.1.230.0040.00820.95
8.1.220.0000.00818.77
8.1.210.0000.00818.91
8.1.200.0030.00717.23
8.1.190.0040.00417.41
8.1.180.0000.00818.10
8.1.170.0000.00818.53
8.1.160.0030.00618.82
8.1.150.0080.00018.48
8.1.140.0000.00817.38
8.1.130.0030.00517.44
8.1.120.0050.00317.38
8.1.110.0000.00817.26
8.1.100.0030.00617.37
8.1.90.0000.00817.28
8.1.80.0040.00417.46
8.1.70.0020.00517.38
8.1.60.0030.00617.41
8.1.50.0040.00417.46
8.1.40.0030.00617.45
8.1.30.0060.00317.62
8.1.20.0030.00617.48
8.1.10.0060.00317.40
8.1.00.0000.01117.46
8.0.300.0050.00319.90
8.0.290.0080.00017.04
8.0.280.0070.00018.33
8.0.270.0040.00417.07
8.0.260.0000.00716.75
8.0.250.0040.00416.80
8.0.240.0030.00616.93
8.0.230.0000.00716.82
8.0.220.0050.00316.72
8.0.210.0000.00716.82
8.0.200.0060.00316.84
8.0.190.0050.00516.91
8.0.180.0030.00616.83
8.0.170.0000.00916.68
8.0.160.0000.00816.80
8.0.150.0030.00616.84
8.0.140.0030.00616.68
8.0.130.0030.00313.30
8.0.120.0030.00616.82
8.0.110.0000.00916.88
8.0.100.0000.00916.72
8.0.90.0030.00616.85
8.0.80.0130.00316.80
8.0.70.0000.00816.80
8.0.60.0030.00516.79
8.0.50.0050.00316.70
8.0.30.0120.00817.07
8.0.20.0110.01017.40
8.0.10.0040.00417.00
8.0.00.0130.00916.71
7.4.330.0030.00316.67
7.4.320.0040.00416.57
7.4.300.0030.00516.43
7.4.290.0030.00616.52
7.4.280.0000.00916.56
7.4.270.0000.00816.40
7.4.260.0000.00613.13
7.4.250.0030.00616.55
7.4.240.0040.00416.52
7.4.230.0040.00416.45
7.4.220.0090.00816.30
7.4.210.0080.01116.46
7.4.200.0040.00416.36
7.4.190.0000.00816.63
7.4.160.0100.01016.43
7.4.150.0090.01617.40
7.4.140.0080.01117.86
7.4.130.0070.01116.48
7.4.120.0070.01316.58
7.4.110.0090.00916.44
7.4.100.0070.01116.43
7.4.90.0120.00916.32
7.4.80.0110.00719.39
7.4.70.0100.01016.32
7.4.60.0100.00716.39
7.4.50.0030.00716.49
7.4.40.0130.00622.77
7.4.30.0060.01216.38
7.4.00.0090.00914.74
7.3.330.0000.00713.00
7.3.320.0000.00713.25
7.3.310.0000.00916.27
7.3.300.0040.00416.32
7.3.290.0090.00916.25
7.3.280.0070.01216.30
7.3.270.0080.01217.40
7.3.260.0090.01418.24
7.3.250.0100.01016.39
7.3.240.0060.01216.47
7.3.230.0030.01516.40
7.3.210.0040.01416.20
7.3.200.0100.01619.39
7.3.190.0100.00916.34
7.3.180.0120.00616.17
7.3.170.0070.01116.39
7.3.160.0150.00316.59
7.3.120.0090.00914.77
7.3.110.0040.01514.70
7.3.100.0070.01014.74
7.3.90.0080.00814.97
7.3.80.0020.01414.88
7.3.70.0030.01314.79
7.3.60.0100.00714.70
7.3.50.0040.01114.69
7.3.40.0070.01214.78
7.3.30.0080.00814.94
7.3.20.0080.00516.63
7.3.10.0080.00916.36
7.3.00.0080.01016.62
7.2.330.0130.00716.70
7.2.320.0160.01016.59
7.2.310.0070.01716.76
7.2.300.0060.01516.71
7.2.290.0030.02216.74
7.2.250.0080.01114.90
7.2.240.0100.01315.14
7.2.230.0070.00915.12
7.2.220.0030.01315.16
7.2.210.0100.00815.17
7.2.200.0050.00914.96
7.2.190.0100.00814.89
7.2.180.0080.01114.92
7.2.170.0110.00714.93
7.2.130.0180.01516.61
7.2.120.0250.01216.54
7.2.110.0260.00916.49
7.2.100.0160.01616.54
7.2.90.0210.01116.71
7.2.80.0190.01616.51
7.2.70.0140.01416.36
7.2.60.0140.01416.41
7.2.50.0260.01016.38
7.2.40.0190.01216.66
7.2.30.0100.01616.08
7.2.20.0210.01016.86
7.2.10.0190.01316.09
7.2.00.0110.01217.95
7.1.330.0060.01415.82
7.1.320.0050.01115.68
7.1.310.0080.00915.61
7.1.300.0030.01415.73
7.1.290.0030.01615.61
7.1.280.0040.01415.55
7.1.270.0030.01615.62
7.1.260.0070.01015.64
7.1.250.0100.01515.22
7.1.100.0070.00718.09
7.1.70.0070.00717.25
7.1.60.0100.01719.17
7.1.50.0100.01316.54
7.1.00.0030.03322.30
7.0.200.0230.00714.41
7.0.140.0030.07722.13
7.0.60.0070.04719.75
7.0.50.0030.04317.83
7.0.40.0200.05020.08
7.0.30.0600.05020.18
7.0.20.0230.09020.33
7.0.10.0370.06020.17
7.0.00.0030.04319.99
5.6.280.0070.08320.91
5.6.210.0030.06020.64
5.6.200.0000.05018.18
5.6.190.0100.08720.67
5.6.180.0330.07320.61
5.6.170.0200.07320.39
5.6.160.0030.05320.40
5.6.150.0070.05718.22
5.6.140.0100.04018.22
5.6.130.0130.05318.25
5.6.120.0030.10020.98
5.6.110.0000.05321.08
5.6.100.0030.04720.98
5.6.90.0130.04720.97
5.6.80.0100.04320.53
5.6.70.0430.07320.38
5.5.350.0230.06020.35
5.5.340.0000.07018.01
5.5.330.0100.04320.21
5.5.320.0270.06020.40
5.5.310.0200.05320.27
5.5.300.0100.04717.89
5.5.290.0030.10018.01
5.5.280.0030.10020.95
5.5.270.0030.08020.75
5.5.260.0130.09020.79
5.5.250.0100.09320.58
5.5.240.0170.08320.12
5.4.450.0430.07719.42
5.4.440.0300.06019.57
5.4.430.0470.07319.11
5.4.420.0300.07719.24
5.4.410.0370.08319.23
5.4.400.0300.05318.81
5.4.390.0400.07718.81
5.4.380.0370.07318.92
5.4.370.0270.09019.06
5.4.360.0470.04019.18
5.4.350.0400.07719.13
5.4.340.0630.03319.08
5.4.320.0530.07319.08
5.4.310.0500.07319.24
5.4.300.0570.06718.93
5.4.290.0570.06019.08
5.4.280.0400.05319.12
5.4.270.0430.05719.08
5.4.260.0430.06319.11
5.4.250.0570.04019.24
5.4.240.0470.07019.15
5.4.230.0500.07019.12
5.4.220.0430.08719.09
5.4.210.0530.05018.81
5.4.200.0400.08019.24
5.4.190.0470.08319.11
5.4.180.0370.05719.12
5.4.170.0400.07019.09
5.4.160.0530.07018.86
5.4.150.0470.05318.78
5.4.140.0330.07016.23
5.4.130.0370.08016.26
5.4.120.0400.05316.27
5.4.110.0470.07316.49
5.4.100.0400.04716.50
5.4.90.0470.03316.45
5.4.80.0400.07016.46
5.4.70.0270.05016.42
5.4.60.0300.04316.04
5.4.50.0370.04016.43
5.4.40.0330.04316.43
5.4.30.0370.06016.36
5.4.20.0430.07716.34
5.4.10.0370.06016.28
5.4.00.0430.08015.71
5.3.290.0400.06014.61
5.3.280.0330.04714.45
5.3.270.0270.05314.70
5.3.260.0500.05014.69
5.3.250.0500.07314.43
5.3.240.0530.07314.52
5.3.230.0430.04014.57
5.3.220.0370.04314.43
5.3.210.0370.04714.51
5.3.200.0370.06314.40
5.3.190.0370.05714.61
5.3.180.0400.08314.51
5.3.170.0400.08014.41
5.3.160.0430.07714.42
5.3.150.0470.07014.39
5.3.140.0230.06014.50
5.3.130.0330.07714.39
5.3.120.0330.06014.51
5.3.110.0400.08314.38
5.3.100.0470.07013.90
5.3.90.0300.05013.85
5.3.80.0370.06714.00
5.3.70.0370.04713.87
5.3.60.0370.08314.09
5.3.50.0470.07713.88
5.3.40.0500.07013.89
5.3.30.0430.06713.80
5.3.20.0430.05313.60
5.3.10.0370.04313.70
5.3.00.0330.05713.58
5.2.170.0300.03712.29
5.2.160.0300.04012.29
5.2.150.0370.06312.29
5.2.140.0300.04012.29
5.2.130.0270.04012.29
5.2.120.0370.06312.29
5.2.110.0400.05312.29
5.2.100.0370.05012.29
5.2.90.0370.06712.29
5.2.80.0230.04712.29
5.2.70.0400.05712.29
5.2.60.0370.07012.29
5.2.50.0270.05312.29
5.2.40.0270.03712.29
5.2.30.0270.03312.29
5.2.20.0230.07012.29
5.2.10.0330.07312.29
5.2.00.0300.06712.29
5.1.60.0330.04712.29
5.1.50.0330.06012.29
5.1.40.0200.04712.29
5.1.30.0270.06312.29
5.1.20.0370.05712.29
5.1.10.0300.04012.29
5.1.00.0200.03712.29
5.0.50.0130.06712.29
5.0.40.0170.05312.29
5.0.30.0130.05712.29
5.0.20.0130.03712.29
5.0.10.0170.06312.29
5.0.00.0170.04712.29
4.4.90.0100.06312.29
4.4.80.0170.05012.29
4.4.70.0130.05712.29
4.4.60.0170.06312.29
4.4.50.0170.06712.29
4.4.40.0230.07012.29
4.4.30.0170.06312.29
4.4.20.0130.05012.29
4.4.10.0230.02712.29
4.4.00.0130.05012.29
4.3.110.0130.06312.29
4.3.100.0170.04712.29
4.3.90.0170.06712.29
4.3.80.0200.07012.29
4.3.70.0170.06312.29
4.3.60.0170.05012.29
4.3.50.0170.03712.29
4.3.40.0200.04312.29
4.3.30.0130.05712.29
4.3.20.0070.04312.29
4.3.10.0070.06712.29
4.3.00.0030.03712.29

preferences:
43.32 ms | 400 KiB | 5 Q