3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo sub_str(") 148 CLR 668 R v Hart Cuzzo and Smith [1980] QdR 259 R v Lao and Nguyen (200", 1);

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)
8.3.60.0120.00616.48
8.3.50.0090.00921.15
8.3.40.0110.00718.93
8.3.30.0110.00418.54
8.3.20.0020.00520.30
8.3.10.0000.00821.61
8.3.00.0020.00523.70
8.2.180.0040.01116.75
8.2.170.0150.00022.96
8.2.160.0100.01020.35
8.2.150.0000.00924.18
8.2.140.0070.00024.66
8.2.130.0040.00419.54
8.2.120.0050.00226.35
8.2.110.0030.00622.23
8.2.100.0110.00017.68
8.2.90.0040.00419.13
8.2.80.0000.00917.97
8.2.70.0000.00817.34
8.2.60.0030.00518.04
8.2.50.0080.00018.07
8.2.40.0000.00820.53
8.2.30.0000.00819.42
8.2.20.0040.00417.54
8.2.10.0050.00217.91
8.2.00.0070.00018.02
8.1.280.0070.01425.92
8.1.270.0030.00623.90
8.1.260.0090.00028.09
8.1.250.0050.00328.09
8.1.240.0140.00722.16
8.1.230.0040.00819.16
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0030.00617.25
8.1.190.0050.00317.23
8.1.180.0050.00218.10
8.1.170.0040.00418.58
8.1.160.0040.00420.64
8.1.150.0040.00418.76
8.1.140.0030.00519.42
8.1.130.0040.00417.52
8.1.120.0040.00417.39
8.1.110.0070.00417.35
8.1.100.0040.00417.25
8.1.90.0000.00717.25
8.1.80.0040.00417.38
8.1.70.0000.00717.20
8.1.60.0040.00417.42
8.1.50.0000.00817.46
8.1.40.0050.00317.44
8.1.30.0040.00417.49
8.1.20.0000.00817.60
8.1.10.0040.00417.41
8.1.00.0040.00417.45
8.0.300.0000.00818.77
8.0.290.0070.00016.75
8.0.280.0000.00718.36
8.0.270.0000.00817.12
8.0.260.0030.00317.13
8.0.250.0030.00316.88
8.0.240.0000.00616.98
8.0.230.0040.00416.84
8.0.220.0040.00416.86
8.0.210.0030.00316.77
8.0.200.0000.00616.83
8.0.190.0060.00316.82
8.0.180.0000.00716.95
8.0.170.0050.00316.74
8.0.160.0030.00616.98
8.0.150.0000.00816.82
8.0.140.0030.00316.86
8.0.130.0050.00013.30
8.0.120.0040.00416.84
8.0.110.0000.00716.77
8.0.100.0040.00316.87
8.0.90.0040.00416.71
8.0.80.0060.00916.94
8.0.70.0000.00816.88
8.0.60.0040.00416.80
8.0.50.0040.00416.77
8.0.30.0090.00817.15
8.0.20.0110.00717.40
8.0.10.0040.00317.00
8.0.00.0100.00816.70
7.4.330.0050.00016.84
7.4.320.0050.00216.45
7.4.300.0050.00316.53
7.4.290.0040.00416.41
7.4.280.0060.00316.43
7.4.270.0070.00016.43
7.4.260.0070.00016.39
7.4.250.0040.00416.51
7.4.240.0000.00716.54
7.4.230.0070.00016.33
7.4.220.0070.01416.49
7.4.210.0150.00616.34
7.4.200.0020.00516.54
7.4.160.0070.01116.35
7.4.150.0000.01717.40
7.4.140.0130.00517.86
7.4.130.0170.00316.45
7.4.120.0050.01416.52
7.4.110.0070.01016.32
7.4.100.0100.01216.51
7.4.90.0100.00616.45
7.4.80.0120.00819.39
7.4.70.0170.00416.42
7.4.60.0030.01316.33
7.4.50.0060.00916.46
7.4.40.0130.00316.40
7.4.30.0070.01016.62
7.4.00.0030.01414.63
7.3.330.0050.00013.00
7.3.320.0070.00013.05
7.3.310.0000.00716.24
7.3.300.0060.00016.14
7.3.290.0060.01016.22
7.3.280.0060.01116.27
7.3.270.0140.00417.40
7.3.260.0080.00816.32
7.3.240.0130.00716.51
7.3.230.0100.00716.39
7.3.210.0100.01316.37
7.3.200.0030.01319.39
7.3.190.0200.00416.50
7.3.180.0060.00916.43
7.3.170.0110.00816.39
7.3.160.0100.01016.50
7.2.330.0080.00916.45
7.2.320.0030.01416.27
7.2.310.0100.00616.23
7.2.300.0090.00616.31
7.2.290.0120.00616.64
7.2.80.0060.00616.48
7.2.60.0000.01316.90
7.2.00.0030.01019.30
7.1.200.0090.00315.71
7.1.100.0060.00318.12
7.1.70.0040.01117.02
7.1.60.0100.01319.27
7.1.50.0090.00616.70
7.1.00.0000.07722.30
7.0.200.0000.01016.59
7.0.60.0130.07321.84
7.0.50.0030.05317.84
7.0.40.0070.08720.04
7.0.30.0270.04020.30
7.0.20.0570.06320.16
7.0.10.0070.04320.16
7.0.00.0100.07020.30
5.6.280.0000.03721.00
5.6.210.0130.05720.62
5.6.200.0130.06018.19
5.6.190.0030.05720.61
5.6.180.0230.08320.67
5.6.170.0170.06320.71
5.6.160.0030.06320.37
5.6.150.0030.05318.14
5.6.140.0130.07718.11
5.6.130.0070.08018.20
5.6.120.0030.06021.09
5.6.110.0000.07720.97
5.6.100.0170.07721.07
5.6.90.0130.05720.96
5.6.80.0070.07020.50
5.5.350.0170.03020.32
5.5.340.0030.04017.89
5.5.330.0000.04720.37
5.5.320.0230.07720.27
5.5.310.0270.05320.21
5.5.300.0100.04017.98
5.5.290.0070.07017.92
5.5.280.0030.04320.94
5.5.270.0100.04320.94
5.5.260.0030.04320.87
5.5.250.0070.03720.61
5.5.240.0170.07720.03

preferences:
47.7 ms | 401 KiB | 5 Q