3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr(1243,1,2);

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)
8.3.60.0090.00916.38
8.3.50.0150.00321.92
8.3.40.0070.00718.71
8.3.30.0110.00418.63
8.3.20.0140.00020.07
8.3.10.0040.00423.71
8.3.00.0080.00019.13
8.2.180.0100.01016.50
8.2.170.0090.00622.96
8.2.160.0090.00620.52
8.2.150.0030.00524.18
8.2.140.0070.00024.66
8.2.130.0050.00517.50
8.2.120.0070.00026.35
8.2.110.0030.01720.22
8.2.100.0090.00317.80
8.2.90.0070.00019.22
8.2.80.0090.00017.97
8.2.70.0040.00417.50
8.2.60.0040.00417.91
8.2.50.0000.00818.07
8.2.40.0040.00421.11
8.2.30.0040.00420.61
8.2.20.0060.00517.52
8.2.10.0030.00317.92
8.2.00.0000.00917.79
8.1.280.0040.01125.92
8.1.270.0030.00624.01
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0100.01023.84
8.1.230.0110.00017.54
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.10
8.1.190.0040.00417.45
8.1.180.0030.00718.10
8.1.170.0040.00418.51
8.1.160.0040.00421.98
8.1.150.0000.00718.75
8.1.140.0040.00419.34
8.1.130.0070.00017.47
8.1.120.0040.00317.36
8.1.110.0020.00517.36
8.1.100.0000.00717.36
8.1.90.0030.00517.24
8.1.80.0000.00717.21
8.1.70.0070.00017.30
8.1.60.0000.00717.45
8.1.50.0040.00417.42
8.1.40.0000.00817.33
8.1.30.0030.00517.52
8.1.20.0040.00417.39
8.1.10.0000.00717.41
8.1.00.0030.00517.32
8.0.300.0040.00418.77
8.0.290.0050.00316.63
8.0.280.0030.00318.38
8.0.270.0000.00717.09
8.0.260.0030.00517.10
8.0.250.0030.00316.91
8.0.240.0080.00016.84
8.0.230.0040.00416.83
8.0.220.0070.00016.80
8.0.210.0040.00416.69
8.0.200.0030.00316.84
8.0.190.0080.00316.76
8.0.180.0040.00416.79
8.0.170.0040.00416.73
8.0.160.0030.00316.67
8.0.150.0000.00716.58
8.0.140.0000.00716.68
8.0.130.0000.00613.11
8.0.120.0040.00416.70
8.0.110.0020.00516.63
8.0.100.0040.00416.70
8.0.90.0070.00016.66
8.0.80.0140.00316.66
8.0.70.0050.00216.62
8.0.60.0000.00816.79
8.0.50.0050.00216.55
8.0.30.0130.00716.92
8.0.20.0100.01017.40
8.0.10.0000.00716.89
8.0.00.0070.01016.66
7.4.330.0000.00616.77
7.4.320.0030.00316.46
7.4.300.0060.00016.32
7.4.290.0000.00716.35
7.4.280.0000.00816.28
7.4.270.0030.00316.35
7.4.260.0080.00016.34
7.4.250.0000.00716.42
7.4.240.0030.00316.31
7.4.230.0070.00016.27
7.4.220.0030.01516.30
7.4.210.0070.01016.34
7.4.200.0070.00016.16
7.4.160.0130.00316.27
7.4.150.0140.00317.40
7.4.140.0130.01117.86
7.4.130.0080.01016.26
7.4.120.0060.01116.51
7.4.110.0080.00816.25
7.4.100.0100.00716.22
7.4.90.0130.00916.28
7.4.80.0130.00719.39
7.4.70.0110.00616.33
7.4.60.0100.00616.54
7.4.50.0080.00616.21
7.4.40.0130.00316.24
7.4.30.0080.00916.09
7.4.00.0050.01014.88
7.3.330.0050.00012.95
7.3.320.0030.00313.03
7.3.310.0040.00416.17
7.3.300.0000.00716.14
7.3.290.0000.00716.14
7.3.280.0070.01016.09
7.3.270.0110.00817.40
7.3.260.0140.00316.05
7.3.250.0160.00416.40
7.3.240.0060.01216.26
7.3.230.0170.00616.39
7.3.210.0060.00916.42
7.3.200.0100.01116.35
7.3.190.0120.00616.13
7.3.180.0090.00916.34
7.3.170.0130.00316.27
7.3.160.0060.00916.15
7.3.120.0070.01014.69
7.3.110.0100.00714.93
7.3.100.0140.00014.61
7.3.90.0000.01114.55
7.3.80.0000.01714.62
7.3.70.0030.00914.79
7.3.60.0100.00314.52
7.3.50.0070.00714.79
7.3.40.0000.00814.38
7.3.30.0000.01314.65
7.3.20.0030.01016.61
7.3.10.0050.01116.51
7.3.00.0030.00716.52
7.2.330.0000.01716.16
7.2.320.0070.01016.65
7.2.310.0070.01016.15
7.2.300.0090.00916.37
7.2.290.0130.00716.25
7.2.250.0060.01314.88
7.2.240.0130.00314.80
7.2.230.0000.01715.10
7.2.220.0070.01114.87
7.2.210.0060.01014.73
7.2.200.0080.00614.96
7.2.190.0040.00714.82
7.2.180.0100.00314.96
7.2.170.0000.01114.81
7.2.130.0040.00716.83
7.2.120.0130.00016.61
7.2.110.0100.00316.60
7.2.100.0100.00316.59
7.2.90.0040.00716.76
7.2.80.0030.00716.78
7.2.70.0030.00916.66
7.2.60.0060.00716.83
7.2.50.0030.01016.84
7.2.40.0080.00816.86
7.2.30.0060.00616.64
7.2.20.0040.00716.86
7.2.10.0040.00716.88
7.2.00.0080.00817.99
7.1.330.0060.00915.68
7.1.320.0040.00815.60
7.1.310.0070.01115.79
7.1.300.0100.00715.54
7.1.290.0030.01415.59
7.1.280.0060.00615.73
7.1.270.0110.00015.55
7.1.260.0030.00515.52
7.1.250.0000.01115.43
7.1.200.0090.00615.77
7.1.100.0050.00518.15
7.1.70.0040.00416.85
7.1.60.0140.01119.36
7.1.50.0110.00816.53
7.1.00.0070.07322.33
7.0.200.0040.00416.67
7.0.60.0070.06319.77
7.0.50.0070.08017.77
7.0.40.0070.08320.21
7.0.30.0370.06720.17
7.0.20.0230.05020.16
7.0.10.0130.05020.16
7.0.00.0100.05320.32
5.6.280.0000.05720.91
5.6.210.0000.04320.70
5.6.200.0070.04018.22
5.6.190.0070.08720.77
5.6.180.0430.08020.32
5.6.170.0270.07720.51
5.6.160.0170.06720.48
5.6.150.0070.04718.22
5.6.140.0030.08718.16
5.6.130.0100.06318.20
5.6.120.0170.06020.98
5.6.110.0100.06021.03
5.6.100.0070.06321.08
5.6.90.0070.08321.09
5.6.80.0100.03320.36
5.5.350.0230.06020.45
5.5.340.0070.03718.01
5.5.330.0030.05720.21
5.5.320.0100.07720.18
5.5.310.0330.06020.26
5.5.300.0030.04717.88
5.5.290.0100.07717.98
5.5.280.0130.07720.75
5.5.270.0100.04320.75
5.5.260.0100.08720.85
5.5.250.0030.04020.56
5.5.240.2830.03020.34

preferences:
52.35 ms | 401 KiB | 5 Q