3v4l.org

run code in 300+ PHP versions simultaneously
<?php $A = 'Ca2SO3'; $po = strpos($A, 'Ca'); echo $A[$po + 3];

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)
8.3.60.0100.00716.75
8.3.50.0170.00316.22
8.3.40.0060.00918.90
8.3.30.0000.01418.81
8.3.20.0040.00420.38
8.3.10.0080.00023.56
8.3.00.0060.00319.66
8.2.180.0110.01116.75
8.2.170.0120.00622.96
8.2.160.0060.00918.95
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0000.00819.26
8.2.120.0000.00826.35
8.2.110.0030.00622.27
8.2.100.0070.00317.91
8.2.90.0000.00819.26
8.2.80.0040.00417.97
8.2.70.0040.00417.75
8.2.60.0040.00717.93
8.2.50.0000.00818.07
8.2.40.0080.00018.22
8.2.30.0080.00018.04
8.2.20.0040.00418.25
8.2.10.0060.00318.11
8.2.00.0040.00418.04
8.1.280.0080.00625.92
8.1.270.0000.00823.92
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.00923.92
8.1.230.0070.00418.96
8.1.220.0050.00317.78
8.1.210.0040.00418.77
8.1.200.0060.00617.35
8.1.190.0030.00617.23
8.1.180.0070.00318.10
8.1.170.0030.00518.46
8.1.160.0060.00318.69
8.1.150.0050.00218.81
8.1.140.0070.00019.56
8.1.130.0000.00718.82
8.1.120.0040.00317.45
8.1.110.0040.00417.38
8.1.100.0050.00217.42
8.1.90.0040.00417.32
8.1.80.0040.00417.35
8.1.70.0030.00617.39
8.1.60.0070.00017.57
8.1.50.0040.00417.31
8.1.40.0070.00017.48
8.1.30.0060.00317.59
8.1.20.0030.00617.55
8.1.10.0040.00417.42
8.1.00.0040.00417.56
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0030.00318.50
8.0.270.0070.00017.12
8.0.260.0040.00416.81
8.0.250.0000.00716.88
8.0.240.0060.00316.84
8.0.230.0000.00716.89
8.0.220.0000.00716.85
8.0.210.0030.00316.84
8.0.200.0030.00316.75
8.0.190.0040.00416.87
8.0.180.0070.00016.71
8.0.170.0070.00016.91
8.0.160.0070.00316.75
8.0.150.0000.00716.65
8.0.140.0040.00416.76
8.0.130.0030.00313.26
8.0.120.0040.00416.71
8.0.110.0000.00716.79
8.0.100.0050.00316.75
8.0.90.0000.00716.69
8.0.80.0000.01616.80
8.0.70.0040.00416.81
8.0.60.0070.00016.70
8.0.50.0000.00816.79
8.0.30.0070.01117.12
8.0.20.0110.00917.40
8.0.10.0080.00016.84
8.0.00.0030.01416.55
7.4.330.0000.00515.55
7.4.320.0060.00016.41
7.4.300.0000.00716.44
7.4.290.0040.00416.48
7.4.280.0060.00316.47
7.4.270.0030.00316.45
7.4.260.0050.00316.34
7.4.250.0030.00316.45
7.4.240.0050.00316.45
7.4.230.0000.00716.52
7.4.220.0100.01416.30
7.4.210.0030.01216.41
7.4.200.0030.00316.43
7.4.160.0070.00816.66
7.4.150.0100.00717.40
7.4.140.0110.00817.86
7.4.130.0120.00616.57
7.4.120.0130.00716.40
7.4.110.0100.00616.40
7.4.100.0120.00616.59
7.4.90.0070.01016.56
7.4.80.0070.01019.39
7.4.70.0030.01316.39
7.4.60.0060.00916.46
7.4.50.0030.01216.16
7.4.40.0060.01016.46
7.4.30.0060.01116.61
7.4.10.0000.01914.86
7.4.00.0080.00815.10
7.3.330.0050.00013.16
7.3.320.0000.00612.99
7.3.310.0000.00716.39
7.3.300.0030.00316.16
7.3.290.0100.00616.24
7.3.280.0090.00716.25
7.3.270.0100.00717.40
7.3.260.0080.01116.50
7.3.250.0100.00616.31
7.3.240.0090.00816.24
7.3.230.0130.00316.48
7.3.210.0060.00916.50
7.3.200.0100.01016.54
7.3.190.0090.00616.30
7.3.180.0120.00316.32
7.3.170.0060.01016.37
7.3.160.0130.00316.64
7.3.130.0130.00315.08
7.3.120.0090.00914.98
7.3.110.0070.01315.04
7.3.100.0060.01015.05
7.3.90.0060.00914.65
7.3.80.0100.00314.62
7.3.70.0110.00015.01
7.3.60.0060.00914.71
7.3.50.0100.00314.92
7.3.40.0070.00714.83
7.3.30.0100.00014.90
7.3.20.0000.01516.61
7.3.10.0030.00616.57
7.3.00.0000.01616.88
7.2.330.0100.00716.73
7.2.320.0060.01016.72
7.2.310.0060.01016.70
7.2.300.0110.00716.42
7.2.290.0080.00816.38
7.2.260.0080.00815.02
7.2.250.0000.01514.91
7.2.240.0030.01014.71
7.2.230.0090.00614.78
7.2.220.0030.01415.23
7.2.210.0050.00514.94
7.2.200.0000.01214.73
7.2.190.0040.01114.90
7.2.180.0040.00414.96
7.2.170.0130.00014.97
7.2.160.0060.01014.65
7.2.150.0070.01016.61
7.2.140.0070.01016.95
7.2.130.0070.01017.00
7.2.120.0040.01116.59
7.2.110.0030.01316.98
7.2.100.0070.00716.70
7.2.90.0030.01016.87
7.2.80.0070.00717.01
7.2.70.0080.00416.50
7.2.60.0050.00616.97
7.2.50.0080.00416.49
7.2.40.0030.01017.09
7.2.30.0080.00616.74
7.2.20.0060.00916.94
7.2.10.0100.00316.76
7.2.00.0000.01618.11
7.1.330.0110.00315.98
7.1.320.0070.00715.77
7.1.310.0000.01015.82
7.1.300.0090.00315.59
7.1.290.0050.00315.90
7.1.280.0100.00315.82
7.1.270.0030.01315.66
7.1.260.0030.00915.93
7.1.250.0030.00815.91
7.1.240.0150.00015.87
7.1.230.0000.01215.67
7.1.220.0100.00015.66
7.1.210.0070.00315.58
7.1.200.0060.00415.86
7.1.190.0060.00615.91
7.1.180.0120.00315.78
7.1.170.0000.01515.95
7.1.160.0030.01015.63
7.1.150.0040.00715.90
7.1.140.0070.00315.94
7.1.130.0070.00715.98
7.1.120.0080.00715.89
7.1.110.0060.00615.50
7.1.100.0030.00916.75
7.1.90.0030.01015.85
7.1.80.0060.01015.53
7.1.70.0330.00815.36
7.1.60.0190.00724.67
7.1.50.0180.01024.31
7.1.40.0250.00624.16
7.1.30.0180.01324.23
7.1.20.0190.01024.15
7.1.10.0080.01115.38
7.1.00.0150.00815.32
7.0.330.0030.00715.63
7.0.320.0070.00315.35
7.0.310.0000.01315.13
7.0.300.0000.01015.01
7.0.290.0070.00715.37
7.0.280.0030.00715.60
7.0.270.0000.01615.45
7.0.260.0000.01115.30
7.0.250.0080.00315.32
7.0.240.0060.00615.23
7.0.230.0100.00315.09
7.0.220.0000.01615.50
7.0.210.0000.01215.20
7.0.200.0080.00815.25
7.0.190.0130.00615.10
7.0.180.0120.00915.00
7.0.170.0130.00714.77
7.0.160.0100.01014.71
7.0.150.0110.01014.71
7.0.140.0110.01014.92
7.0.130.0120.00915.15
7.0.120.0240.00615.11
7.0.110.0080.00814.82
7.0.100.0100.00514.88
7.0.90.0080.00814.81
7.0.80.0100.00714.87
7.0.70.0100.01014.92
7.0.60.0080.01214.87
7.0.50.0100.00814.95
7.0.40.0130.00814.05
7.0.30.0120.00713.90
7.0.20.0120.00713.96
7.0.10.0110.00814.01
7.0.00.0100.00913.87
5.6.400.0100.00314.15
5.6.390.0070.00714.29
5.6.380.0110.00014.34
5.6.370.0040.00414.31
5.6.360.0040.01114.52
5.6.350.0080.00614.25
5.6.340.0040.01114.55
5.6.330.0060.00314.25
5.6.320.0030.00714.63
5.6.310.0060.00314.28
5.6.300.0070.00414.29
5.6.290.0030.00914.20
5.6.280.0040.00414.52
5.6.270.0080.00414.45
5.6.260.0060.01014.09
5.6.250.0040.00414.42
5.6.240.0030.00714.07
5.6.230.0040.00814.55
5.6.220.0040.00414.23
5.6.210.0040.00814.21
5.6.200.0070.00714.42
5.6.190.0060.00914.09
5.6.180.0070.00714.70
5.6.170.0040.00714.23
5.6.160.0030.01014.32
5.6.150.0040.00814.34
5.6.140.0030.00514.17
5.6.130.0080.00414.32
5.6.120.0060.00314.46
5.6.110.0000.01414.47
5.6.100.0070.01014.35
5.6.90.0030.01014.07
5.6.80.0040.00414.20
5.6.70.0040.00714.44
5.6.60.0060.00614.19
5.6.50.0030.00914.25
5.6.40.0030.01014.54
5.6.30.0000.01414.31
5.6.20.0100.00314.42
5.6.10.0030.00914.40
5.6.00.0060.00914.28

preferences:
43.1 ms | 401 KiB | 5 Q