3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr('07:00', 4, 0);

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)
8.3.40.0100.01018.70
8.3.30.0060.01318.53
8.3.20.0040.00418.65
8.3.10.0080.00020.28
8.3.00.0060.00317.38
8.2.170.0070.01022.96
8.2.160.0140.00422.08
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0020.00526.16
8.2.120.0040.00419.64
8.2.110.0060.00320.43
8.2.100.0040.00817.66
8.2.90.0000.00819.13
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0030.00518.07
8.2.40.0000.00718.09
8.2.30.0040.00418.04
8.2.20.0060.00317.57
8.2.10.0040.00417.54
8.2.00.0080.00017.59
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0090.00028.09
8.1.240.0030.00622.19
8.1.230.0080.00417.42
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0090.00017.10
8.1.190.0040.00417.41
8.1.180.0040.00418.10
8.1.170.0080.00018.84
8.1.160.0040.00418.75
8.1.150.0000.00818.41
8.1.140.0000.00717.25
8.1.130.0060.00017.80
8.1.120.0000.00717.23
8.1.110.0040.00417.33
8.1.100.0030.00317.35
8.1.90.0040.00417.17
8.1.80.0080.00017.31
8.1.70.0040.00417.28
8.1.60.0000.00817.45
8.1.50.0050.00317.29
8.1.40.0020.00517.37
8.1.30.0070.00017.51
8.1.20.0000.00817.41
8.1.10.0000.00817.41
8.1.00.0030.00517.34
8.0.300.0040.00418.77
8.0.290.0050.00216.75
8.0.280.0030.00318.38
8.0.270.0070.00017.14
8.0.260.0030.00318.30
8.0.250.0000.00816.90
8.0.240.0030.00516.79
8.0.230.0030.00316.86
8.0.220.0000.00916.74
8.0.210.0030.00316.79
8.0.200.0000.00616.79
8.0.190.0090.00016.80
8.0.180.0000.00816.75
8.0.170.0050.00316.60
8.0.160.0040.00416.79
8.0.150.0050.00316.77
8.0.140.0000.01016.61
8.0.130.0000.00613.22
8.0.120.0000.00716.73
8.0.110.0040.00416.54
8.0.100.0040.00416.70
8.0.90.0000.00716.75
8.0.80.0140.00316.74
8.0.70.0040.00416.61
8.0.60.0000.00816.61
8.0.50.0000.00716.60
8.0.30.0080.01116.87
8.0.20.0140.00717.40
8.0.10.0000.00716.86
8.0.00.0080.01016.74
7.4.330.0000.00514.77
7.4.320.0030.00316.46
7.4.300.0000.00716.31
7.4.290.0040.00416.45
7.4.280.0000.00816.50
7.4.270.0030.00416.38
7.4.260.0030.00313.13
7.4.250.0030.00616.30
7.4.240.0030.00316.46
7.4.230.0070.00016.46
7.4.220.0140.00616.33
7.4.210.0070.01116.46
7.4.200.0030.00316.54
7.4.190.0000.00716.50
7.4.160.0090.00616.14
7.4.150.0120.00617.40
7.4.140.0100.00717.04
7.4.130.0090.01016.30
7.4.120.0130.00516.40
7.4.110.0070.01016.21
7.4.100.0090.01216.43
7.4.90.0090.00916.28
7.4.80.0120.00916.36
7.4.70.0120.00616.29
7.4.60.0090.00916.55
7.4.50.0090.00016.19
7.4.40.0070.01022.27
7.4.30.0080.00816.29
7.4.00.0110.00614.81
7.3.330.0030.00312.88
7.3.320.0050.00012.99
7.3.310.0070.00015.99
7.3.300.0000.00716.11
7.3.290.0070.00716.03
7.3.280.0090.00616.12
7.3.270.0100.00717.40
7.3.260.0090.00918.24
7.3.250.0080.01116.22
7.3.240.0090.01216.20
7.3.230.0040.01416.39
7.3.210.0080.00816.20
7.3.200.0100.01319.39
7.3.190.0030.01916.18
7.3.180.0060.01016.02
7.3.170.0090.01116.27
7.3.160.0070.01016.24
7.3.120.0080.01014.62
7.3.110.0040.01414.56
7.3.100.0030.01214.71
7.3.90.0060.01014.56
7.3.80.0130.00014.38
7.3.70.0070.01014.51
7.3.60.0060.01314.55
7.3.50.0000.01614.68
7.3.40.0000.00914.58
7.3.30.0070.00714.39
7.3.20.0050.00516.48
7.3.10.0020.00916.39
7.3.00.0050.00716.42
7.2.330.0040.01216.27
7.2.320.0170.00016.30
7.2.310.0160.00716.32
7.2.300.0030.01416.44
7.2.290.0060.00916.54
7.2.250.0070.01114.65
7.2.240.0130.00314.82
7.2.230.0040.00815.04
7.2.220.0070.01014.55
7.2.210.0100.00615.11
7.2.200.0090.00914.82
7.2.190.0040.01114.54
7.2.180.0090.00614.90
7.2.170.0040.01514.73
7.2.130.0040.00716.22
7.2.120.0070.00716.52
7.2.110.0070.00416.11
7.2.100.0070.00416.28
7.2.90.0060.00616.61
7.2.80.0040.01116.48
7.2.70.0000.00816.75
7.2.60.0060.00616.90
7.2.50.0080.00316.32
7.2.40.0030.00716.57
7.2.30.0130.00016.92
7.2.20.0040.01116.66
7.2.10.0060.00316.73
7.2.00.0050.00516.77
7.1.330.0000.01415.77
7.1.320.0090.00615.81
7.1.310.0030.01015.72
7.1.300.0040.00715.61
7.1.290.0090.00615.71
7.1.280.0040.01115.62
7.1.270.0090.00315.50
7.1.260.0070.00415.75
7.1.250.0040.00415.40
7.1.70.0030.00317.02
7.1.60.0130.01319.40
7.1.50.0040.00716.54
7.1.00.0030.05722.54
7.0.200.0150.00316.55
7.0.140.0100.06722.08
7.0.60.0030.04320.02
7.0.50.0130.03317.79
7.0.40.0100.05719.98
7.0.30.0370.07720.02
7.0.20.0270.05020.21
7.0.10.0170.09320.18
7.0.00.0130.06020.13
5.6.280.0030.07320.92
5.6.210.0070.07320.61
5.6.200.0030.05718.18
5.6.190.0030.09320.39
5.6.180.3300.04320.41
5.6.170.0330.08320.54
5.6.160.0170.08020.51
5.6.150.0070.08318.13
5.6.140.0070.08318.21
5.6.130.0130.06318.20
5.6.120.0070.05320.98
5.6.110.0070.08321.02
5.6.100.0100.08320.96
5.6.90.0070.08321.11
5.6.80.0100.07320.41
5.5.350.0300.07720.29
5.5.340.0070.08018.01
5.5.330.0000.04320.38
5.5.320.0200.04720.24
5.5.310.0370.05720.20
5.5.300.0070.04017.98
5.5.290.0030.06318.02
5.5.280.0100.08020.81
5.5.270.0030.04320.89
5.5.260.0000.08320.83
5.5.250.0130.04720.49
5.5.240.0130.07020.25
5.4.450.0030.06719.41
5.4.440.0070.03719.25
5.4.430.0100.07719.40
5.4.420.0070.07719.49
5.4.410.0070.06319.29
5.4.400.0130.03718.79
5.4.390.0030.04019.18
5.4.380.0100.03319.08
5.4.370.0030.07719.18
5.4.360.0100.05018.79
5.4.350.0030.05319.18
5.4.340.0070.08019.02
5.4.320.0130.06319.16
5.4.310.0070.05018.93
5.4.300.0030.04719.17
5.4.290.0030.06019.13
5.4.280.0000.04318.91
5.4.270.0070.07319.18
5.4.260.0070.03718.91
5.4.250.0030.04018.95
5.4.240.0170.02318.76
5.4.230.0100.07318.91
5.4.220.0030.04019.13
5.4.210.0070.03318.91
5.4.200.0000.04019.14
5.4.190.0100.04719.09
5.4.180.0070.06719.13
5.4.170.0030.04018.90
5.4.160.0070.03719.17
5.4.150.0130.04318.90
5.4.140.0130.04016.34
5.4.130.0030.06016.34
5.4.120.0100.05316.49
5.4.110.0100.06016.41
5.4.100.0070.04316.27
5.4.90.0000.03716.34
5.4.80.0000.03716.22
5.4.70.0030.03316.26
5.4.60.0030.03316.22
5.4.50.0000.04016.22
5.4.40.0130.06716.12
5.4.30.0030.04316.35
5.4.20.0130.06716.38
5.4.10.0070.06716.36
5.4.00.0030.07715.71
5.3.290.0000.05314.56
5.3.280.0070.07014.52
5.3.270.0100.03014.42
5.3.260.0070.03314.56
5.3.250.0030.03714.54
5.3.240.0170.03014.53
5.3.230.0070.04014.38
5.3.220.0030.03714.59
5.3.210.0070.07314.55
5.3.200.0100.03714.54
5.3.190.0100.03314.58
5.3.180.0030.03714.38
5.3.170.0130.02714.54
5.3.160.0030.03714.39
5.3.150.0000.04014.46
5.3.140.0000.04714.48
5.3.130.0100.07314.47
5.3.120.0030.07714.49
5.3.110.0030.04314.36
5.3.100.0100.03013.95
5.3.90.0000.04014.04
5.3.80.0000.04013.83
5.3.70.0100.07013.83
5.3.60.0030.08013.99
5.3.50.0070.04013.88
5.3.40.0070.07713.89
5.3.30.0100.03313.84
5.3.20.0070.07013.65
5.3.10.0130.06313.61
5.3.00.0130.06313.56
5.2.170.0070.06311.07
5.2.160.0000.04011.11
5.2.150.0000.03711.13
5.2.140.0070.06011.08
5.2.130.0000.06010.98
5.2.120.0000.07010.98
5.2.110.0030.03711.07
5.2.100.0000.03311.03
5.2.90.0070.05711.08
5.2.80.0130.05711.10
5.2.70.0130.05311.07
5.2.60.0030.05310.87
5.2.50.0070.02311.02
5.2.40.0000.06011.06
5.2.30.0070.06010.86
5.2.20.0070.05710.85
5.2.10.0000.03710.88
5.2.00.0030.06010.56
5.1.60.0000.0579.96
5.1.50.0070.0579.96
5.1.40.0030.0579.95
5.1.30.0030.05710.43
5.1.20.0100.04010.39
5.1.10.0070.04010.04
5.1.00.0070.04710.21
5.0.50.0000.0508.52
5.0.40.0000.0338.41
5.0.30.0070.0478.16
5.0.20.0030.0378.15
5.0.10.0030.0278.19
5.0.00.0070.0478.19
4.4.90.0000.0237.88
4.4.80.0030.0337.88
4.4.70.0070.0307.88
4.4.60.0000.0407.88
4.4.50.0000.0237.88
4.4.40.0000.0377.88
4.4.30.0070.0337.88
4.4.20.0030.0337.88
4.4.10.0030.0207.88
4.4.00.0030.0407.88
4.3.110.0030.0377.88
4.3.100.0100.0277.88
4.3.90.0030.0277.88
4.3.80.0000.0477.88
4.3.70.0030.0207.88
4.3.60.0000.0207.88
4.3.50.0000.0377.88
4.3.40.0100.0477.88
4.3.30.0030.0337.88
4.3.20.0000.0377.88
4.3.10.0000.0237.88
4.3.00.0030.0237.88

preferences:
47.78 ms | 400 KiB | 5 Q