3v4l.org

run code in 300+ PHP versions simultaneously
<?php $A = 'Ca2SO3'; $po = strpos($A, 'Ca'); echo $A[$pos + 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)
8.3.60.0160.00316.75
8.3.50.0100.01016.27
8.3.40.0070.00718.56
8.3.30.0070.00718.86
8.3.20.0040.00420.18
8.3.10.0000.00823.66
8.3.00.0060.00319.45
8.2.180.0120.00918.66
8.2.170.0070.00722.96
8.2.160.0180.00419.25
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0030.00521.04
8.2.120.0040.00426.35
8.2.110.0000.00922.26
8.2.100.0090.00317.90
8.2.90.0000.00722.28
8.2.80.0060.00319.48
8.2.70.0090.00018.16
8.2.60.0030.00518.16
8.2.50.0000.00818.10
8.2.40.0070.00020.55
8.2.30.0000.00719.26
8.2.20.0000.00718.06
8.2.10.0090.00018.05
8.2.00.0050.00318.05
8.1.280.0090.00625.92
8.1.270.0040.00423.91
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00622.42
8.1.230.0060.00620.84
8.1.220.0050.00317.78
8.1.210.0000.00818.89
8.1.200.0040.00417.23
8.1.190.0050.00317.00
8.1.180.0000.00918.10
8.1.170.0000.00818.57
8.1.160.0030.00318.96
8.1.150.0000.00718.73
8.1.140.0050.00219.55
8.1.130.0000.00718.84
8.1.120.0070.00017.46
8.1.110.0000.00817.23
8.1.100.0000.00717.42
8.1.90.0050.00317.39
8.1.80.0060.00317.37
8.1.70.0050.00317.39
8.1.60.0050.00217.36
8.1.50.0000.00717.32
8.1.40.0000.00717.45
8.1.30.0040.00417.61
8.1.20.0030.00917.48
8.1.10.0030.00517.46
8.1.00.0030.00617.51
8.0.300.0000.00719.89
8.0.290.0080.00016.75
8.0.280.0030.00518.43
8.0.270.0000.00717.25
8.0.260.0050.00316.92
8.0.250.0050.00217.08
8.0.240.0000.00816.94
8.0.230.0040.00416.96
8.0.220.0030.00316.88
8.0.210.0000.00716.88
8.0.200.0050.00316.86
8.0.190.0080.00016.86
8.0.180.0020.00516.78
8.0.170.0000.00716.88
8.0.160.0030.00616.86
8.0.150.0040.00416.88
8.0.140.0000.00816.82
8.0.130.0060.00013.28
8.0.120.0000.00716.76
8.0.110.0040.00416.95
8.0.100.0040.00416.76
8.0.90.0000.00716.68
8.0.80.0070.01116.89
8.0.70.0000.00716.88
8.0.60.0050.00316.77
8.0.50.0070.00016.94
8.0.30.0130.00717.05
8.0.20.0120.00817.40
8.0.10.0000.00717.06
8.0.00.0100.00717.04
7.4.330.0030.00315.55
7.4.320.0000.00616.44
7.4.300.0030.00316.50
7.4.290.0040.00416.33
7.4.280.0030.00716.50
7.4.270.0000.00716.43
7.4.260.0060.00316.56
7.4.250.0000.00716.50
7.4.240.0000.00816.50
7.4.230.0040.00416.47
7.4.220.0110.00716.48
7.4.210.0140.00716.54
7.4.200.0000.00716.37
7.4.160.0090.00816.47
7.4.150.0100.00717.40
7.4.140.0120.00817.86
7.4.130.0110.00816.40
7.4.120.0110.01016.51
7.4.110.0060.01216.52
7.4.100.0100.01016.50
7.4.90.0130.00316.61
7.4.80.0100.00719.39
7.4.70.0060.01016.57
7.4.60.0060.01116.45
7.4.50.0000.01316.55
7.4.40.0110.00616.53
7.4.30.0130.00616.41
7.4.00.0070.01014.65
7.3.330.0000.00513.22
7.3.320.0060.00013.30
7.3.310.0000.00716.32
7.3.300.0030.00316.30
7.3.290.0070.00916.29
7.3.280.0090.00816.30
7.3.270.0140.00317.40
7.3.260.0120.00816.42
7.3.250.0120.00916.38
7.3.240.0140.00516.50
7.3.230.0120.00616.57
7.3.210.0100.00716.61
7.3.200.0070.01016.56
7.3.190.0120.00416.63
7.3.180.0000.02116.71
7.3.170.0070.00916.31
7.3.160.0000.01616.49
7.2.330.0110.00716.52
7.2.320.0090.00616.76
7.2.310.0030.01216.47
7.2.300.0130.00616.67
7.2.290.0100.00716.63
7.2.80.0000.01216.46
7.2.60.0030.01016.79
7.1.200.0030.00915.87
7.1.100.0080.00817.85
7.1.70.0210.00715.43
7.1.60.0390.01332.99
7.1.50.0330.01132.73
7.1.40.0310.01532.63
7.1.30.0530.00332.56
7.1.20.0340.02032.62
7.1.10.0300.00614.66
7.1.00.0230.00814.84
7.0.200.0660.00814.97
7.0.190.0200.00714.91
7.0.180.0240.01014.55
7.0.170.0180.01014.32
7.0.160.0250.00614.42
7.0.150.0120.01514.44
7.0.140.0310.00914.52
7.0.130.0170.01114.92
7.0.120.0230.00714.65
7.0.110.0290.00614.53
7.0.100.0180.01214.49
7.0.90.0210.01314.50
7.0.80.0230.00914.55
7.0.70.0170.01014.39
7.0.60.0200.00914.20
7.0.50.0250.00314.67
7.0.40.0200.00514.62
7.0.30.0250.00414.65
7.0.20.0170.01314.57
7.0.10.0200.00914.44
7.0.00.0270.00614.48

preferences:
60.96 ms | 400 KiB | 5 Q